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