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