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