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