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