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