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