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 only way to break down rocks. B) the process that breaks down rock and other substances at the Earth's surface. C) the movement of rock particles by wind, water, ice, and gravity. D) a process that only involves water.
A) Erosion B) Mechanical C) Deep Freeze D) Chemical
A) True B) False
A) True B) False
A) sand storms B) erosion C) Repeated freezing and thawing D) Acid Rain
A) A, E, I, O B) A, B, C, D C) O, A, E, D D) O, A, B, C
A) litter layer B) humus C) mustard D) humans
A) O B) B C) A D) C
A) Bedrock B) Top Soil 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) The soil is too wet D) It loses fertility
A) Humus B) Water C) Minerals D) Air
A) True B) False
A) convergent boundary. B) transform boundary. C) rift valley. D) divergent boundary.
A) Surface waves B) primary waves C) secondary waves D) Q waves
A) crust, mantle, outer core, inner core B) outer core, mantle, inner core , crust C) crust, outer core, mantle, inner core D) mantle, core, crust, inner core
A) rock. B) volcanic ash. C) magma. D) fire.
A) empty. B) layer of hot magma. C) a dense ball of iron and nickel. D) a layer of cooled rock. |