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