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