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