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