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