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