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