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