A) the process that breaks rock and other substances down. B) the only process that breaks down rocks. C) a process that is only mechanical.. D) the movement of rock particles by wind, water, ice, and gravity
A) the process that breaks down rock and other substances at the Earth's surface. B) a process that only involves water. C) the only way to break down rocks. D) the movement of rock particles by wind, water, ice, and gravity.
A) Deep Freeze B) Erosion C) Chemical D) Mechanical
A) True B) False
A) True B) False
A) Acid Rain B) sand storms C) Repeated freezing and thawing D) erosion
A) O, A, B, C B) O, A, E, D C) A, E, I, O D) A, B, C, D
A) litter layer B) humans C) mustard D) humus
A) C B) O C) B D) A
A) Bedrock B) Sub Soil C) Top Soil D) Litter layer
A) False B) True
A) tears the ground up and creates erosion problems 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 D) is done on the contours of the landscape
A) It is packed with minerals B) It becomes the best soil for planting C) The soil is too wet D) It loses fertility
A) Air B) Minerals C) Humus D) Water
A) False B) True
A) rift valley. B) transform boundary. C) convergent boundary. D) divergent boundary.
A) secondary waves B) Surface waves C) Q waves D) primary waves
A) crust, mantle, outer core, inner core B) mantle, core, crust, inner core C) outer core, mantle, inner core , crust D) crust, outer core, mantle, inner core
A) magma. B) fire. C) rock. D) volcanic ash.
A) layer of hot magma. B) empty. C) a dense ball of iron and nickel. D) a layer of cooled rock. |