A) the movement of rock particles by wind, water, ice, and gravity B) the process that breaks rock and other substances down. 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 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) Deep Freeze C) Chemical D) Erosion
A) False B) True
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, B, C D) O, A, E, D
A) humus B) humans C) litter layer D) mustard
A) A B) C C) B 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) 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 becomes the best soil for planting B) It is packed with minerals C) It loses fertility D) The soil is too wet
A) Humus B) Water C) Air D) Minerals
A) False B) True
A) divergent boundary. B) rift valley. C) transform boundary. D) convergent boundary.
A) secondary waves B) primary waves C) Q waves D) Surface waves
A) crust, outer core, mantle, inner core B) crust, mantle, outer core, inner core C) outer core, mantle, inner core , crust D) mantle, core, crust, inner core
A) fire. B) magma. C) rock. D) volcanic ash.
A) empty. B) layer of hot magma. C) a dense ball of iron and nickel. D) a layer of cooled rock. |