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