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