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