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