Temperature can weather rocks because
most rocks do not absorb heat evenly
water contra...
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Temperature can weather rocks because
most rocks do not absorb heat evenly
water contracts when it freezes
heat can cause minerals to oxidize
rocks usually melt in the hot sun
when wet rocks dry out, they can crack and break. this process, called slaking, is an example of what?
chemical weathering
physical weathering
water erosion
wind erosion
in which of the following locations would chemical weathering happen most quickly?
amazon rainforest
sahara desert
north pole
great plains
which of the following is an example of chemical weathering?
a river carrying dirt into a lake.
wind carrying sand from a beach.
chemicals in water dissolving minerals in rock.
friction between two rock surfaces grinding away minerals.
choose all the answers that apply.
erosion:
can damage aquatic ecosystems
removes fertile topsoil
can decrease revenue from agriculture
is caused mainly by wind and water
is the breakdown of rock and other material
choose all the answers that apply.
erosion can be reduced by:
contour plowing
putting up fences
planting trees
removing topsoil
which of the following statements is true?
since the dust bowl, erosion has not been a problem in the united states.
the most fertile part of soil is found a few feet below the surface.
runoff happens when the ground cannot absorb anymore water.
oxidation happens when carbonic acid gains electrons from oxygen.
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