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