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) 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) Chemical B) Deep Freeze C) Mechanical D) Erosion
A) True B) False
A) True B) False
A) Acid Rain B) Repeated freezing and thawing C) sand storms D) erosion
A) O, A, B, C B) A, E, I, O C) A, B, C, D D) O, A, E, D
A) litter layer B) mustard C) humus D) humans
A) A B) B C) O D) C
A) Top Soil B) Litter layer C) Bedrock D) Sub Soil
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) tears the ground up and creates erosion problems D) is a poor way to conserve soil
A) It loses fertility B) It is packed with minerals 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) transform boundary. C) convergent boundary. D) divergent boundary.
A) secondary waves B) Surface waves C) Q waves D) primary waves
A) mantle, core, crust, inner core B) outer core, mantle, inner core , crust C) crust, outer core, mantle, inner core D) crust, mantle, outer core, inner core
A) rock. B) volcanic ash. C) magma. D) fire.
A) a layer of cooled rock. B) empty. C) layer of hot magma. D) a dense ball of iron and nickel. |