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