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