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.
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.
A) Mechanical B) Erosion C) Chemical
A) True B) False
A) False B) True
A) Repeated freezing and thawing B) Acid Rain C) sand storms
A) A, E, I, O B) O, A, E, D C) O, A, B, C
A) litter layer B) humans C) humus
A) B B) A C) C
A) Litter layer B) Top Soil C) Sub Soil
A) True B) False
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) Minerals C) Humus
A) True B) False
A) rift valley. B) convergent boundary. C) transform boundary.
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) rock. B) fire. C) magma.
A) layer of hot magma. B) empty. C) a dense ball of iron and nickel. |