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 movement of rock particles by wind, water, ice, and gravity. B) the process that breaks down rock and other substances at the Earth's surface. C) the only way to break down rocks. D) a process that only involves water.
A) Mechanical B) Erosion C) Chemical 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, E, I, O B) A, B, C, D C) O, A, E, D D) O, A, B, C
A) litter layer B) humans C) mustard D) humus
A) A B) B C) C D) O
A) Bedrock B) Litter layer C) Sub Soil D) Top Soil
A) False B) True
A) tears the ground up and creates erosion problems B) is done on the contours of the landscape C) keeps the dead weeds and stalks from the previous year to return nutrients to the soil D) is a poor way to conserve 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) Water C) Humus D) Air
A) True B) False
A) transform boundary. B) convergent boundary. C) divergent boundary. D) rift valley.
A) Surface waves B) secondary waves C) Q waves D) primary waves
A) mantle, core, crust, inner core B) crust, outer core, mantle, inner core C) crust, mantle, outer core, inner core D) outer core, mantle, inner core , crust
A) rock. B) fire. C) volcanic ash. D) magma.
A) a layer of cooled rock. B) layer of hot magma. C) a dense ball of iron and nickel. D) empty. |