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