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 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) Chemical B) Mechanical C) Erosion
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) humus B) humans C) litter layer
A) A B) B C) C
A) Sub Soil B) Litter layer C) Top Soil
A) True B) False
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 becomes the best soil for planting B) It loses fertility C) It is packed with minerals
A) Minerals B) Humus C) Water
A) True B) False
A) transform boundary. B) rift valley. C) convergent boundary.
A) secondary waves B) primary waves C) Q waves
A) crust, mantle, outer core, inner core B) mantle, core, crust, inner core C) outer core, mantle, inner core , crust
A) fire. B) magma. C) rock.
A) a dense ball of iron and nickel. B) empty. C) layer of hot magma. |