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