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