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) 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) Deep Freeze B) Chemical C) Mechanical D) Erosion
A) False B) True
A) False B) True
A) Acid Rain B) Repeated freezing and thawing C) sand storms D) erosion
A) A, B, C, D B) O, A, B, C C) O, A, E, D D) A, E, I, O
A) mustard B) humans C) humus D) litter layer
A) O B) B C) A D) C
A) Top Soil B) Litter layer C) Sub Soil D) Bedrock
A) True B) False
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 a poor way to conserve soil D) is done on the contours of the landscape
A) It is packed with minerals B) It loses fertility C) It becomes the best soil for planting D) The soil is too wet
A) Water B) Air C) Humus D) Minerals
A) True B) False
A) divergent boundary. B) rift valley. C) transform boundary. D) convergent boundary.
A) Surface waves B) primary waves C) secondary waves D) Q 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) rock. B) magma. C) volcanic ash. D) fire.
A) layer of hot magma. B) a dense ball of iron and nickel. C) empty. D) a layer of cooled rock. |