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