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