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1.
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award:
10.00
points
What features are unique to Earth?
Canyons.
Volcanoes.
An atmosphere.
Precipitation.
None of these features are unique to Earth.
2.
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points
Which planet is about half the size of the Earth?
Mercury
Venus
Earth
Mars
3.
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points
List the terrestrial planets in increasing order of their size.
Mercury, Venus, Earth, Mars
Mercury, Mars, Venus, Earth
Earth, Mars, Venus, Mercury
Venus, Earth, Mars, Mercury
4.
award:
10.00
points
Which planet has the hottest surface temperature?
Mercury
Venus
Earth
Mars
5.
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10.00
points
Which of the terrestrial planets does not have any craters?
Mercury
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Venus
Earth
Mars
All of them have craters
6.
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points
List the terrestrial planets in decreasing order of their mass.
Mercury, Venus, Earth, Mars
Mercury, Mars, Venus, Earth
Earth, Venus, Mars, Mercury
Venus, Earth, Mars, Mercury
7.
award:
10.00
points
Which terrestrial planet has the most moons?
Mercury
Venus
Earth
Mars
8.
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10.00
points
Which planet shows the largest variation of day and night temperatures?
Mercury
Venus
Earth
Mars
9.
award:
10.00
points
Which of the terrestrial planets have the most similar atmospheric compositions?
Venus and Mars
Earth and Venus
Earth and Mercury
Mercury and Venus
Earth and Mars
10.
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10.00
points
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Which of the following statements correctly compares the terrestrial planets?
Venus has the densest atmosphere and the highest average temperature.
Earth is the only planet that has active plate tectonics and surface water.
Mercury is the planet with the thinnest atmosphere and the smallest size.
All of the above.
11.
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points
______ is the smallest of the terrestrial planets.
Venus
Earth
Pluto
Mars
Mercury
12.
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points
The atmosphere of Venus consists mainly of ______.
Carbon dioxide
Sulfuric acid
Nitrogen and oxygen
Carbon monoxide
Hydrogen and helium
13.
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points
The surface of Venus is dominated by _____.
Impact craters
Recent lava flows
Scarps
Large canyons
14.
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points
The atmosphere of Mars consists mainly of ______.
Carbon dioxide
Carbon monoxide
Nitrogen
Oxygen
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15.
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Mercury's ________ and, therefore, the planet does not have seasons.
Axial tilt is zero
Orbit is too close to the Sun
Atmosphere is almost nonexistent
Orbit is a perfect circle
16.
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points
Of all the terrestrial planets, ______ has the largest daily temperature variation.
Mercury
Venus
Earth
Mars
17.
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points
Which reason best explains why both Venus' and Mars' atmospheres are primarily carbon dioxide, but the Earth's is
much less than 1% carbon dioxide?
Earth's rocks had much less carbon and oxygen in them.
Venus and Mars, being smaller than Earth, can't retain the same mixture of gases as Earth.
Each planet has a significantly different surface temperature.
Plant life has existed on Earth for an extended amount of time.
18.
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points
Evidence that there is a considerable amount of water frozen under the surface of Mars is provided by all of the
following except
Squishy-looking flow patterns around crater impact sites.
Features resembling channels cut by flowing water.
Periodic eruptions of geysers when subsurface ice is melted by volcanic activity.
Discovery by the Mars rovers of chemicals in surface rocks formed in the presence of large amounts of
water.
Satellite measurements of water in the polar caps.
19.
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points
Mercury features long, steep cliffs in its crust called "scarps" which probably formed
After impacts from planetesimal or asteroid.
From floods of running water left to evaporate after comet impacts.
As plates of crust shifted as a result of massive earthquakes at a fault.
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Like giant wrinkles as the crust cooled and shrank.
by erosion from high solar winds.
20.
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points
You would most likely find pancake-shaped lava domes on
Mercury
Venus
Earth
Mars
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