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