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