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