A) the process that breaks rock and other substances down. B) the movement of rock particles by wind, water, ice, and gravity C) a process that is only mechanical..
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.
A) Mechanical B) Erosion C) Chemical
A) True B) False
A) False B) True
A) Acid Rain B) Repeated freezing and thawing C) sand storms
A) O, A, B, C B) O, A, E, D C) A, E, I, O
A) litter layer B) humus C) humans
A) C B) B C) A
A) Sub Soil B) Litter layer C) Top Soil
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
A) It loses fertility B) It is packed with minerals C) It becomes the best soil for planting
A) Water B) Humus C) Minerals
A) False B) True
A) transform boundary. B) convergent boundary. C) rift valley.
A) primary waves B) secondary waves C) Q waves
A) outer core, mantle, inner core , crust B) crust, mantle, outer core, inner core C) mantle, core, crust, inner core
A) fire. B) magma. C) rock.
A) a dense ball of iron and nickel. B) layer of hot magma. C) empty. |