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