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