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