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 process that breaks down rock and other substances at the Earth's surface. B) the movement of rock particles by wind, water, ice, and gravity. C) a process that only involves water. D) the only way to break down rocks.
A) Mechanical B) Deep Freeze C) Erosion D) Chemical
A) False B) True
A) False B) True
A) Acid Rain B) erosion C) sand storms D) Repeated freezing and thawing
A) O, A, B, C B) A, B, C, D C) O, A, E, D D) A, E, I, O
A) mustard B) humus C) humans D) litter layer
A) O B) B C) C D) A
A) Sub Soil B) Litter layer C) Top Soil D) Bedrock
A) True B) False
A) is a poor way to conserve soil 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) tears the ground up and creates erosion problems
A) It becomes the best soil for planting B) It loses fertility C) The soil is too wet D) It is packed with minerals
A) Humus B) Water C) Minerals D) Air
A) False B) True
A) transform boundary. B) divergent boundary. C) rift valley. D) convergent boundary.
A) Surface waves B) secondary waves C) primary waves D) Q 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) layer of hot magma. B) empty. C) a dense ball of iron and nickel. D) a layer of cooled rock. |