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