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