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