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