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