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