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