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