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