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