A) the process that breaks rock and other substances down. B) a process that is only mechanical.. C) the movement of rock particles by wind, water, ice, and gravity D) the only process that breaks down rocks.
A) the movement of rock particles by wind, water, ice, and gravity. B) the process that breaks down rock and other substances at the Earth's surface. C) the only way to break down rocks. D) a process that only involves water.
A) Chemical B) Mechanical C) Deep Freeze D) Erosion
A) False B) True
A) True B) False
A) Repeated freezing and thawing B) sand storms C) Acid Rain D) erosion
A) A, E, I, O B) O, A, B, C C) O, A, E, D D) A, B, C, D
A) humans B) mustard C) humus D) litter layer
A) C B) A C) O 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) tears the ground up and creates erosion problems C) is done on the contours of the landscape D) keeps the dead weeds and stalks from the previous year to return nutrients to the soil
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) Minerals B) Water C) Air D) Humus
A) False B) True
A) rift valley. B) transform boundary. C) divergent boundary. D) convergent boundary.
A) secondary waves B) Q waves C) primary waves D) Surface 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) empty. B) layer of hot magma. C) a layer of cooled rock. D) a dense ball of iron and nickel. |