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rock and weathering
test question
Question | Answer |
---|---|
a rock that contains tiny, connected spaces through which water can move is said to be _____________. | permeable |
one agent of chemical weathering is _________________, which combines with water to form carbonic acid. | carbon dixide |
the actions of animals most commonly can cause the type of weathering known as _______________. | mechanical |
rapid chemical weathering can be caused by __________, which is rain combined with pollutants. | acid rain |
some plants produce acids that result in ______________ weathering. | chemical |
the factors that determine the rate of weathering are the type of _________ and ____________. | rock climate |
some plants produce aids which result in ___________________ weathering. | chemical |
acid rain causes vary rapid _____________ weathering. | chemical |
the most important agent of chemical weathering is ____________. | water |
After chemical weathering, the chemical makeup of the weathered rock is _________ than the original rock. | diffrent |
freezing and thawing are an example of _____________ weathering. | mechanical |
the movement of rock particles by ice, wind ,water,or gravity is called __________. | erioson |
the rate of chemical weathering is _________________ in hot, wet climates than in cold, dry climates. | faster |
the gas that causes rock containing iron to oxidize is _________________. | oxygen |
the type of weathering that occurs due to release of pressure is __________ weathering | mechanical |
plant foots that force cracks in rocks farther apart are an agent of ___________ weathering. | mechanical |
what has a rock probably been chemically weathered by if it contains iron and becomes soft, crumbly, and reddish-brown in color? | oxygen |
what may the growth of plant roots and animal activity result in ? | mechanical |
what is the agent of mechanical weathering called in which rock is worn away by the grinding action of other rock particles? | abrasion |
granite will last a long time when it is used for building in what type of climate? | cold |
what kind of weathering causes the mineral composition of rocks to change? | chemical |
what type of climate causes weathering to happen rapidly? | hot and wet |
what is ice wedging? | water freezing the rock and acting like a wedge to brake the rock apart |
what is uniformitarianism? | the same proses that happen in the past and happing in the present. |
why does a permeable Rock weather easily? | it has tiny holes so it lets the water the rocks |
what can scientists infer from the rounded shape of the Appalachian mountains. | they have been weathered from many years |
Marbles statue that is left exposed to the weather. what agent of mechanical weathering probably will cause to it weather. | freezing and thawing |
describe how freezing and thawing of water causes mechanical weathering | when water gets in crack of a rock it freezes it expands the rock |
explain how oxygen causes chemical weathering | oxygen mixes with water makes Oxidator |