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