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