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