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