* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Geoscience Final Review material
Theoretical astronomy wikipedia , lookup
Perseus (constellation) wikipedia , lookup
Cygnus (constellation) wikipedia , lookup
Geocentric model wikipedia , lookup
Spitzer Space Telescope wikipedia , lookup
Astrophotography wikipedia , lookup
Astrobiology wikipedia , lookup
Aquarius (constellation) wikipedia , lookup
Comparative planetary science wikipedia , lookup
Extraterrestrial atmosphere wikipedia , lookup
International Ultraviolet Explorer wikipedia , lookup
Observational astronomy wikipedia , lookup
Corvus (constellation) wikipedia , lookup
Planetary habitability wikipedia , lookup
Astronomical unit wikipedia , lookup
Extraterrestrial life wikipedia , lookup
Rare Earth hypothesis wikipedia , lookup
Dialogue Concerning the Two Chief World Systems wikipedia , lookup
1. What is the circumference of the Earth? a. 10,000 kilometers b. 40,000 kilometers c. 20,000 miles d 40,000,000 meters e both “b” and “d” 2. How many meters in a kilometer? a 10 c. 100 b. 1,000 d. .1 3. How many centimeters in one meter? a. 10 c. 100 b. 1,0000 d. .1 4. Over the course of their lifetimes, trees will do what to the level of gasses in the atmosphere? a. Nothing, O2 and CO2 level will remain constant c. O2 will be increased b. CO2 will be decreased d. CO2 and O2 will both increase 5. A meteor is a. On the ground c. In space b. Falling through the air d. Lost 6. About how much of the water (on Earth) is salty? a. 3% c. 25% b. 75% d. 97% 7. Meteorology is the study of a. Things in the air c. Meteors b. Rocks falling from space d. The atmosphere 8. A glacier would most likely fall within what “sphere” within Earth Systems? a. Biosphere c. Lithosphere b. Hydrosphere d. Atmosphere 9. The study of how the different spheres of the Earth interact is called a. Geoscience c. Earth Science b. Geospherology d. Earth Systems 10. A meteor is a. On the ground c. In space b. Falling through the air d. Lost 11. Humans are part of the a. Hydrosphere c. Biosphere b. Atmosphere d. All of the above 12. Meteorology is the study of a. Things in the air c. Meteors b. Rocks falling from space d. The atmosphere 13. What is the most effective greenhouse gas in the atmosphere, the most significant? a. Carbon dioxide c. Methane b. Water vapor d. Carbon monoxide 14. Where is most of the CO2 on the earth held? a. Atmosphere c. Ocean b. Geosphere d. Biosphere 15. About how much of the air is Carbon dioxide a. 1% c. 10% b. Less than 1/2 of 1% d. 5% 16. What kind of water holds the most carbon dioxide? a. Warm c. Cold b. Wet d. Friendly 17. About how much more carbon dioxide is there in the atmosphere, than their was in 1850? a 10% c. 20% b 30% d. 100% 18. What marker goes through Greenwich, England? a. Equator c. English Meridian b. Line of Longitude d. Prime Meridian 19. Which lines go north and south on a globe (up and down stripes) are a. Latitude c. Great circles b. Longitude d. Equations 20. These lines are parallel to each other a. Date lines c. Time zones b. Latitude d. Longitude 21. This system uses sound (and its echo) to measure navigation and ranging. a. Global Positioning System c. Landsat b. RADAR d. SONAR 22. A GPS coordinate system uses how many satellites for triangulation, at a minimum? a. Two c. Three b. Four d. Five 23. What needs to be unique, widespread, abundant and short time span? a. Amber c. Index fossil b. Cast and mold d. Original preservation 24. This is made from tree sap? a. A trace fossil c. Amber b. An index fossil d. A cast and mold 25. Which of the following would be a fossil of original preservation? a. A trace fossil c. Cast and mold b. An index fossil d. Amber 26. Another name for petrified wood is what? a. Stromatilite c. Perminerization b. Trilobite d. Parasite 27. What kind of rock, and only this kind, will contain fossils? a. Igneous rocks c. Sedimentary b. Metamorphic d. Actually, all of them can 28. The correct term for fossilized dinosaur feces is ……. a. Diorite c. Coprolite b. Peterolite d. Permineralite 29. What kind of fossil gives only evidence of past life, without an actual artifact? a. Index Fossil c. Cast and Mold b. Trace Fossil d. Fossil of unaltered remains 30. Amber would be fossils of what? a. Index Fossil c. Cast and Mold b. Trace Fossil d. Fossil of unaltered remains 31. Which of the following is needed for good fossil preservation a. Hard parts, oxygen, fast burial c. Water, no oxygen, fast burial b. Water, soft parts, fast burial d. No oxygen, Hard Parts, Fast burial 32. What kind of fossil gives only evidence of past life, without an actual artifact? a. Index Fossil c. Cast and Mold b. Trace Fossil d. Fossil of unaltered remains 33. Amber would be fossils of what? a. Index Fossil c. Cast and Mold b. Trace Fossil d. Fossil of unaltered remains 34. A material has 80 grams of a radioactive substance, and the half-life of the substance is 5 days. How many grams of the substance will remain after 8 half lives? 35.Which would be more accurate, the carbon-14 dating of an organism that has been DEAD for 4,000 years, or the dating of an organism that has been dead for 40,000 years. a. 4,000 years c. It would be the same b. 40,000 years d. C-14 dating would not be accurate for either 36. What kind of burial would be needed for a fossil to form? a. Warm wet soils c. Dry soils, lots of oxygen b. Rapid burial of hard parts d. Slow burial on the surface of land 37. What is the longest era, by far? a. Cenozoic c. Mesozoic b. Paleozoic d. Precambrian 38. Which era is called the age of the fishes? a. Paleozoic c. Precambrian b. Cenozoic d. Mesozoic 39. The core of Earth is made of a. Iron, Nickel and heavy metals c. Basalt b. Granite d. Carbon 40. The first atmosphere of Earth (after Hydrogen and Helium) was made mostly of CO2, H2O, nitrogen and … a. Oxygen c. Acids b. Methane d. Carbon monoxide 41. Free oxygen was released by a. Rhodenians c. Trilobites b. Lauentians d. Stromatilites 42. The best index fossil for the end of the pre-cambrian era is a. Stromatilite c. Trilobite b. Mesosarous d. Declopodia 43. A type of oxygen molecule, with three (3) oxygen atoms combined is a. Ozone c. Trizone b. Oxygen trihydrate d. Trioxygen 44. The heating of the early Earth was by radioactive decay, meteor bombardment and a. The Sun c. Gravity b. Cosmic rays d. Nearby supernovae 45. Free oxygen was released by a. Rhodenians c. Trilobites b. Lauentians d. Stromatilites 46. The best index fossil for the end of the pre-cambrian era is a. Stromatilite c. Trilobite b. Mesosarous d. Declopodia 47. A type of oxygen molecule, with three (3) oxygen atoms combined is a. Ozone c. Trizone b. Oxygen trihydrate d. Trioxygen 48. The heating of the early Earth was by radioactive decay, meteor bombardment and a.The Sun c. Gravity b.Cosmic rays d. Nearby supernovae 49. What is the longest era, by far? a. Cenozoic c. Mesozoic b. Paleozoic d. Precambrian 50. Which era is called the age of the fishes? a. Paleozoic c. Precambrian b. Cenozoic d. Mesozoic 51. Oxygen was put into the atmosphere by what organism? a. Trilobite c. Mesosaur b. Stromatilite d. Carposaurous 52. How many oxygen atoms are in an Ozone molecule? a. One c. Three b. Two d. Four 53. Which of these are in order, from longest time-frame to the shortest timeframe? a. Eon, Epoch, Period, Era c. Period, Eon, Era, Epoch b. Epoch, Eon, Period, Era d. Eon, Era, Period, Epoch 54. What is the name of the Epoch that we live in now? a. Holocene c. Centrantic b. Cambrian d. Abyssal 55. What is the Era that we are living in now? a. Precambrian c. Mesozoic b. Cenozoic d. Paleozoic 56. During what era did the dinosaurs live? a. Precambrian c. Mesozoic b. Cenozoic d. Paleozoic 57. What means “ancient life” a. Precambrian c. Mesozoic b. Cenozoic d. Paleozoic 58. Which was the “age of the fishes” a. Precambrian c. Mesozoic b. Cenozoic d. Paleozoic 59. What was the name of the index fossil, that showed the end of the Precambrian era? a. Trilobite c. Mesosaur b. Stromatilite d. Carposaurous 60. What is the name for the process when one plate is going “under” another? a. Convergence c. Subduction b. Transformation d. Transverse 61. Where is the Ocean getting “bigger”? a. mid-ocean ridge c. oceanic trench b. north and south poles d. equator 62. What is the term that means that the ocean crust is being pushed under the continental crust? a. diversion c. subduction b. conversion d. transform 63. What is the fossil that marks the end of the Precambrian era, and the start of the Paleozoic era? a. Stromatolite c. Diorite b. Trilobite d. Cynobite 64. Where would ocean rocks be the oldest? a. near the middle of the ocean c. near the coast of continents b. near the north and south poles d. near the equator 65. What word means the study of ancient magnetism on Earth? a. magnetology c. paleomagnetism b. historical magnetism d. neomagnetism 66. What is the name for the process when one plate is going “under” another? a. Convergence c. Subduction b. Transformation d. Transverse 67. Where is the Ocean getting “bigger”? a. mid-ocean ridge c. oceanic trench b. north and south poles d. equator 68. What is the fossil that marks the end of the Precambrian era, and the start of the Paleozoic era? a. Stromatolite c. Diorite b. Trilobite d. Cynobite 69. In what country (or continent) does glacial till (dirt from a glacier) give evidence of continental drift? a. Asia b. North America c. Europe d. Australia e. India f. China h. Antarctica 70. What is the name of the fossil animal that is on the west coast of Africa, east coast of S. America? a. Trilobite b. Stromatolite c. Slausosaurous d. Pleaseasour e. Mesosaur 71. The longest era by far is a. Paleozoic c. Cenozoic b. Mesozoic d. Precambrian 72. The age of the fishes was the a. Paleozoic c. Cenozoic b. Mesozoic d. Precambrian 73. The human species that lost to homo sapiens was a. Stupid othipicas c. Neanderthals b. Austro antichipus d. Sou theastinous 74. The kind of light that is stopped by ozone is a. Visible c. Infra-red b. Ultra violet d. Gamma 75. We live in what epoch? a. Sapiens c. Holocene b. Cenozoic d. Mesozoic 76. Dinosaurs ruled which time frame? a. Paleozoic c. Cenozoic b. Mesozoic d. Precambrian 77. Stromatilites did what for us? a. Give us ozone c. Give us free oxygen b. Removed carbon dioxide d. Created coal 78. Mesosaurus is found on what two continents? a. Antarctica and India (subcontinent) c. Asia and North America b. South America and North America d. South America and Africa 79. Who developed the idea of Continental Drift? a. James Hutton c. Richard Tarbuck b. Alfred Wagener d. Michael Ellington 80. On Antarctica, people have fossils that prove it was once much warmer. What was the fossil of? a. Palm trees c. Ferns b. Redwoods d. Grasses 81. India has evidence of what, in its layers of disturbed soils? a. Warm past climate c. Large tsunamis b. Glaciers d. Large-scale farming 82. The last two super continents were named what? a. Laurentia, then Pangaea c. Pangaea then Rhodenia b. Rhodenia then Pangaea d. Laurentia then Rhodenia 83. A very important fossil was found, that showed that Africa and South America were one connected. What was the name of that animal? a. Trilobite c. Mesosaur b. Stegosaur d. Saurousaur 84. How fast do continents move around, on average? a. 1” – 6” inches per year c. 12” – 36” inches per year b. 6” to 12” inches per year d. 10 or more feet per year 85. New Earth is formed near what feature? For those of you who like to split hairs, the age of the atoms are the same. We speak of the time when the molten material hardened into stone. a. Subduction zone c. Lithosphere b. Mid-ocean ridge d. Epicenters 85. Plates tend to move about the Earth. Why do they move about in such a manner? You may have more than one answer. a. Convection currents c. Slab pulling b. The speed of the Earth’s rotation d. Hot spot displacement 86. Yellowstone is a hot-spot, supervolcano. What plate does the hot spot come up through? a. Wyoming plate c. Colorado plate b. North American plate d. Pacific Plate 87. Things will become very “interesting” off of the Pacific Northwest coast. This is because of the subduction of what plate? a. Pacific plate c. Juan de Fuca plate b. Cocos plate d. North American plate 88. The farther inland one goes, the location of earthquakes change. How does the location of earthquakes change? a. They are shallower (closer “up”) c. They are neared the shoreline b. They are deeper into the Earth d. They are more northerly 89. What was the name of the last major volcano in the continental United States? a. Mt. Hood c. Mt. Saint Helens b. Mt Rainer d. Mt Cascadian 90. In what kind of plate boundary do the plates slide past each other? a. Divergent c. Convergent b. Transform fault d. Revergent 91. What will form when ocean crust subducts under ocean crust? a. Mountain chain c. Island Arc b. Divergent plate boundary d. Transform plate boundary 92. Where does a trench form? a. Divergent boundaries c. Convergent boundaries b. Transform fault boundaries d. Revergent areas 93. Which of the following is a transform plate boundary? a. Los Angeles c. Himalayas Mountains b. Yellowstone d. Mid Ocean Ridges 94. Where is new Earth formed a. Mountain chain c. Island Arc b. Divergent plate boundary d. Transform plate boundary 95. Which country is a result of an Island Arc? a. Iceland c. Japan b. Greenland d. Cuba 96. What system uses sound waves to calculate the distance to an object? a. Radar c. Sonar b. Freemantle d. Fathomization 97. What is the letter of the description of a subduction zone a. where an oceanic plate is forced beneath a second plate b. where an oceanic plate grinds past a second plate c. where a continental plate grinds past a second plate d. where an oceanic plate moves away from a second plate 98. A “hot spot” is responsible for what geological structure? a. Himalaya mountains c. Mid-ocean ridge b. Iceland d. Yellowstone 99. Where is new Earth created a. Mid ocean ridge c. Subduction zone b. “ hot spots” d. Transform zones 100. Which kind of boundary will show paleomagnetism? a. Convergent c. Divergent b. Transform d. State 101. What island is the result of a “hot spot” a. Iceland c. Japan b. Greenland d. Hawaii 102. What kind of boundary does Los Angeles sit upon? a. Convergent c. Divergent b. Transform d. Revergent 103. What kind of boundary results in tsunami earthquakes? a. Convergent c. Divergent b. Transform d. Revergent 104. Which kind of boundary creates metamorphic rocks a. Convergent c. Divergent b. Transform d. Revergent 105. Which one of these boundaries is totally a figment of Mr. Monroe’s imagination? a. Convergent C. Divergent b. Transform d. Revergent 106. Igneous a. Changed form c. From volcanoes b. From fire d. Hot 107. Intrusive a. Into other rocks c. Stayed in Earth b. Came into the surface d. Cooled quickly 108. Granite a. Pinkish, large crystals b. Dark, with variety of crystals 109. Pumice a. From Hawaii, dark, no crystals c. Pinkish, small crystals d. Extrusive with large crystals, and is pink c. From Hawaii, light, large crystals and air pockets d. Pale color, solid, no air pockets b. Light, air pockets, pale color 110. Basalt a. Dark, dense, continental crust c. Dark, light, continental crust b. Dark, light, oceanic crust d. Dark, dense, oceanic crust 111. Batholith a. Covers 100’s of square kilometers c. Covers 10’s of square kilometers b. Means “lake of rock” d. Moves horizontally through rock layers 112. Stock a. Covers 100’s of square kilometers c. Covers 10’s of square kilometers b. Means “lake of rock” d. Moves horizontally through rock layers 113. Large crystals indicate a. Fast cooling c. Smooth texture b. Slow cooling d. Rough texture 114. Metamorphism needs a. High heat c. High pressure b. High heat and pressure d. Magma 115. Contact metamorphism occurs in the presence of a. High heat and water c. High heat b. Water and cementation fluids d. Silicon 116. The bands of color on a metamorphic rock are called a. Bands of density c. Bands of foliation b. Bands of cleavage d. Color differentiation 117. The bands of color on a metamorphic rock are a result of a. Characteristics of the minerals in the rock c. Differences in heat during formation b. Elevation changes during formation d. Pressure differences during formation 118. “Hot Spots” are located over a. Magma rising to the surface of the Earth c. Convergent plate boundaries b. Divergent plate boundaries d. The ring of fire 119. The source of heat in the Earth is a result of a. Meteors early in the History of Earth c. Radioactivity of the Iron core b. Radioactivity of Uranium and other elements d. Gravitational contraction e. All except “C” 120. When the solar system was new, it was in a cloud known as a a. Accretionary disk c. Interstellar cloud b. Big bang cloud d. Solar cloud 121. The solar system began to “clump together”. This process is known as a. Condensation c. Accretion b. Deflation d. Convection 122. More dense materials settled to the center of the disk, in a process known as a. Completion c. Planetizaton b. Layerization d. Differentiation 123. As the disk of the solar system got smaller, it began to spin faster, because of an effect known a. The coriolis effect c. The Doppler effect b. Conservation of energy d. Conservation of momentum 124. This disk, from which the solar system sprang, is know as a a. Nebular disk c. Solar disk b. Accretion disk d. Planetary disk 125. Three things are basically needed to crush gases into something as dense as the Sun. They are a. Gravity, the weak force, the strong force c. Gravity, cold and the strong force b. A supernovae, gravity and cold space d. Gravity, electricity and the strong force 126. The main gases that made up the earliest solar system were a. Oxygen and carbon c. Hydrogen and oxygen b. Helium and Hydrogen d. Carbon dioxide and methane 127. A telescope that bends light to a focus point is a a. Refractive Telescope c. Reflective Telescope b. Chrono Telescope d. Defective Telescope 128. The telescope that we used to look outside the LSW front doors was a a. Webster Telescope c. Reflective Telescope b. Refractive Telescope d. Wardovian Telescope 129. Light is fast. Its speed is a. 3,000 meters per second c. 300,000 Kilometers per second b. 300,000,000 meters per second d. All above, except “a”, but including “b” and “c” 130. The shortest wavelengths are a. Red c. Gamma b. Blue d. Radio 131. A light-year is a. The distance light travels in a year c. The time it takes for light to travel b. As far as it is from Earth to Vega d. The distance across our Solar System 132. If the Sun went “out” right now, how long would it be before you knew it? a. 8.5 light-minutes c. 8 minutes and 30 seconds b. 2.5 seconds d. “Did Chuck Norris flip a switch off?” 133. What type of telescope can see through inter-stellar clouds of gas and dust? a. Refractive c. Reflective b. Hubble d. Radio 134. The Earth has a “wobble”. About how long does it take for the Earth to complete one “wobble” around the zodiac? a. 10,000 years c. 20,000 years b. 25,000 years d. 100,000 years 135. Another name for the “wobble” of the Earth is what? a. Differentiation c. Precession b. Retrograde motion d. Rotation 136. Binary Star systems are useful, because they help determine what? a. Mass of the stars in the system c. Distance to the stars b. Chemical composition of the stars d. Temperature of the stars 137. Which is longer, a day according to the Sun (solar day), or a day according to the background stars (sidereal day)? a. The longest day is a sidereal day c. The longest day is a solar day b. The days are the same length (duh) d. The shortest day is any day there is a sub for science class 138. A circumpolar star is one that does what? a. Circles the North pole c. Is visible year around b. Touches the North star at some point d. Seems to twinkle in the cold winter air of a January snowstorm. 139. Why do stars move rapidly across the sky each night? a. Stars just generally move fast c. The Earth is going around the Sun b. The Earth is revolving around its axis d. The Earth is rotating around its axis 140. How far do stars move across the sky, from night to night. This means at same time, on two nights in a row. a. They don’t really move c. 1º to the West b. 1º to the East d. It depends upon the hemisphere that you are in 141. Parallax works best on stars that are a. Near c. Far away b. Bright d. Old 142. The precession of the Earth takes about a. 2,000 years c. 14,000 years b. 24,000 years d. 110,000 years 143. The Egyptians used the North Star to help build a. Pyramid of Giza c. Sphinx b. Spire of Cleopatra d. Did not use North Star 144. There are this many seconds in one degree. a. 60 c. 360 b. 3,000 d. 3,600 145. A mirror is used in what type of telescope? a. Refractory c. Newtonian Reflector b. Radio d. X-ray and Radio 146. How does parallax differ between a faraway star, and a nearby star? a. The faraway star has more parallax c. The nearby star has more parallax b. Parallax does not differ, it only seems to d. The parallax will differ, depending upon size of the star 147. What is a parsec? a. 3.26 light-years d. 32.6 light-years b. One parallax-second of arc e. “a” and “b” c. “c” and “d 148. Absolute and Apparent Magnitude are the same at a. 10 parsecs c. 32.6 light years b. 1 parsec d. 10.0 light years 149. When one looks towards the Sun with a spectroscope, and they see bright lines on a dark background, it is a. Lines of absorption c. Continuous spectrum b. Lines of emission d. Time to run away, FAST!! 150. How do stars apparently move, from night to night? a. 1º to the East c. 5º to the East b. 1º to the West d. They do not move 151. If a star is moving away at great speed, it will appear a. More red d. More blue b. Hotter e. “a” and “c” c. Cooler f. “a” and “b” 152. Earth is about 4.6 billion years old (4.6 x 10 9). How old is the Sun? a. Older c. Younger b. Same age d. The Sun is the same age as the universe 153. The most massive stars will end as a. White Dwarf c. Brown Dwarf b. Neutron Star d. Black Hole 154. Pulsars will emanate from a. White Dwarfs c. Main Sequence b. Neutron Star d. Black Hole 155. White Dwarfs will become a. Black Holes c. Brown Dwarfs b. Neutron Stars d. Black Stars 156. The Sun will become, next, a… a. White Dwarf c. Neutron Star b. Black Hole d. Pulsar 157. A protostar will "turn on" when the internal temperature reaches a. 10,000ºC c. 100,000ºC b. 1,000,000ºC d. 10,000,000ºC 158. The heaviest element that can be made inside of any star, before an super novae is what? a. Copper c. Oxygen b. Carbon d. Iron 159. A star that is going away from a person will appear changed in what way? a. Older c. Bluer b. Redder d. Bigger 160. Pulsars come from a. Neutron stars c. Black Holes b. White dwarfs d. Black dwarfs 161. An apparent magnitude, and absolute magnitude, are the same at a. One light-year d. One Parsec b. 32.6 light-years e. 10 parsecs c.“ b” and “c” f. “b” and “e” 162. Lines of emission tell astronomers about a star’s a. Distance c. Temperature b. Chemical composition d. Age 163. Which star will last longer a. Big, honkin’ star c. High mass star b. Small wimpy thing d. One just like our Sun 164. Which has a higher density” a. White dwarf c. Black dwarf b. Black hole d. Neutron star 165. Most points of light in the sky are what? a. Stars c. Star systems b. Galaxies d. White dwarfs 166. The mass of a star can be determined by studying a. The wavelength of the light emitted by the star c. The color of the star b. The distance between the star and Earth d. The binary star systems 167. Which of the following is true about using parallax to measure the distance to stars? a. The closer the star, the smaller the parallax angle c. The closer the star, the larger the parallax angle b. The larger the star, the smaller the parallax angle d. The larger the star, the larger the parallax angle 168. At the nucleus, the Milky Way galaxy is about a. 1,000 light years thick c. 100,000 light years thick b. 10,000 light years thick d. 1,000,000,000 light years thick 169. According to the big bang theory, the entire Universe started as a a. Supernova explosion c. Dense, hot, supermassive ball 170. Which type of light is longer than visible light? a. Gamma c. X-ray b. Ultra violet d. Radio 171. Where, in the Milky Way Galaxy, is the Earth and Sun? a. At the exact center c. At the very tip of one of the spiral arms b. Just outside the galactic nucleus d. Within one of the spirals, but not at the tip 172. Why does the pitch seem higher (or light seem bluer) of an approaching object? a. Coriolis effect c. Doppler effect b. Lundgen effect d. It does? 173. What is another name for the hydrologic cycle? a. Cryocycle c. Hydrogen cycle b. Water cycle d. Hydrosphere 174. The process of H2O leaving the atmosphere and entering the geosphere is what? a. Transpiration c. Condensation b. Precipitation d. Infiltration 175. The process of H2O moving through the geosphere is called what? a. Transpiration c. Condensation b. Precipitation d. Infiltration 176. Water moving along the surface of the geosphere is called what? a. Condensation c. Runoff b. Precipitation d. Infiltration 177. A natural way to slow runoff is what? a. A levee c. A dam b. Grading of the land to make it flat d. Planting a lot of trees 178. Evaporation and Transpiration, together, are called a. Evapotranspiration c. Perspiration b. Hydrotransation d. Evaporhydration 179. A pebble would be considered part of what? (check all that apply) a. Bed load c. Stream load b. Dissolved load d. Suspended load 180. A fish releases urine into a stream. What is affected? (check all that apply) a. Bed load c. Stream load b. Dissolved load d. Suspended load 181. All of the land, whose water drains into a stream, is called the stream’s a. Divide c. Floodplain b. Watershed d. Stream load 182. The largest watershed in the United States is what? a. Ohio c. Pacific b. Mississippi d. Seaboard 183. The discharge of a river is what? a. Cubic meters of water, divided by seconds c. Total tons of water in the river’s flow b.Total amount of bed load carried by a river d. Total amount of stream load carried by river 184. Erosion in mostly caused by what? (check all that apply) a. Bed load c. Stream load b. Dissolved load d. Suspended load 185. A graduated cylinder holds 550 mL of soil. Cindy the scientist puts 250 mL of water into the soil, and it just covers the top of the soil. It takes 10 seconds for the water to reach the bottom of the graduated cylinder. What is the porosity of the soil? a. 45% c. 800 mL b. 55 mL/sec d. Cindy dumps the dirt on Monroe and leaves