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