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