A) the process that breaks rock and other substances down. B) the only process that breaks down rocks. C) the movement of rock particles by wind, water, ice, and gravity D) a process that is only mechanical..
A) a process that only involves water. B) the movement of rock particles by wind, water, ice, and gravity. C) the only way to break down rocks. D) the process that breaks down rock and other substances at the Earth's surface.
A) Erosion B) Deep Freeze C) Mechanical D) Chemical
A) True B) False
A) False B) True
A) Acid Rain B) sand storms C) erosion D) Repeated freezing and thawing
A) A, E, I, O B) O, A, B, C C) O, A, E, D D) A, B, C, D
A) humus B) humans C) litter layer D) mustard
A) B B) O C) A D) C
A) Top Soil B) Bedrock C) Litter layer D) Sub Soil
A) False B) True
A) keeps the dead weeds and stalks from the previous year to return nutrients to the soil B) is a poor way to conserve soil C) is done on the contours of the landscape D) tears the ground up and creates erosion problems
A) It is packed with minerals B) It becomes the best soil for planting C) It loses fertility D) The soil is too wet
A) Air B) Water C) Minerals D) Humus
A) True B) False
A) rift valley. B) divergent boundary. C) transform boundary. D) convergent boundary.
A) Q waves B) primary waves C) secondary waves D) Surface waves
A) crust, outer core, mantle, inner core B) crust, mantle, outer core, inner core C) mantle, core, crust, inner core D) outer core, mantle, inner core , crust
A) volcanic ash. B) fire. C) rock. D) magma.
A) a layer of cooled rock. B) layer of hot magma. C) a dense ball of iron and nickel. D) empty. |