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