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