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