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