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The gradual breaking of rocks to smaller pieces is called __________. a. weathering b. erosion The process that transports rocks, soil and sediments to a different location is called __________. a. weathering b. erosion Rocks forms from the cooling and hardening of hot liquid magma is called __________ rocks. a. igneous b. metamorphic c. sedimentary d. move sideways Rocks that are formed when the other forms of rock are under extreme heat and pressure are called _______. a. igneous rocks b. metamorphic rocks c. sedimentary rocks Rocks formed from sediment that is compressed over time and becomes solid are called __________ rocks. a. igneous b. metamorphic c. sedimentary Rain that contains harmful chemicals caused by burning fossil fuels is called __________. a. hydration rain b. acid rain c. oxidation rain The process of the rain mixing with the iron in the earth and causing rust is called __________. a. acid rain b. hydration c. oxidation c. subduction Ice wedging, plant actions, and pressure change are examples of a. chemical weathering b. erosion c. physical weathering Warmer rocks ____________ and cooler rocks __________ resulting in physical weathering. a. contract, expand b. contract, contract c. expand, expand d. expand, contract The process by which outer layers of rock slowly peel away due to pressure changes is called: a. oxidation b. exfoliation c. abrasion d. precipitation ___________ is the process of breaking down and wearing rock material by other rock. a. oxidation b. exfoliation c. abrasion d. precipitation _______, _______, and _________ are agents of physical weathering. a. wind, ice, air b. wind, water, gravity c. water, rain, gravity d. ice, gravity, wind Rocks broken down by chemical changes is called a. physical weathering b. chemical weathering Rocks broken down by physical changes is called a. physical weathering b. chemical weathering Which of the following is not an agent of chemical weathering? a. reactions with oxygen b. acid precipitation c. animals burrowing d. plants creating acid Caves, stalactites, and stalagmites are formed by __________ a. groundwater weathering b. oxidation c. abrasion d. acid precipitation Chemical weathering happens fastest in _________ climates. a. wet, cold b. dry, cold c. wet, warm d. dry, warm ___________ is a part of the process of ____________. a. weathering, erosion b. erosion, weathering c. chemical weathering, physical weathering d. physical weathering, chemical weathering Rusting is an example of _____________________: a. chemical weathering b. physical weathering This picture demonstrates a. chemical weathering b. physical weathering This pictures shows an example of a. chemical weathering b. physical weathering This picture shows an example of a. chemical weathering b. physical weathering 
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