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