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