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