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