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