A) the only process that breaks down rocks. B) a process that is only mechanical.. C) the process that breaks rock and other substances down. D) the movement of rock particles by wind, water, ice, and gravity
A) a process that only involves water. B) the only way to break down rocks. C) the process that breaks down rock and other substances at the Earth's surface. D) the movement of rock particles by wind, water, ice, and gravity.
A) Deep Freeze B) Chemical C) Erosion D) Mechanical
A) False B) True
A) True B) False
A) Acid Rain B) Repeated freezing and thawing C) erosion D) sand storms
A) O, A, B, C B) O, A, E, D C) A, E, I, O D) A, B, C, D
A) mustard B) litter layer C) humus D) humans
A) A B) O C) B D) C
A) Bedrock B) Sub Soil C) Top Soil D) Litter layer
A) False B) True
A) tears the ground up and creates erosion problems 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) 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) Humus B) Minerals C) Water D) Air
A) True B) False
A) divergent boundary. B) transform boundary. C) convergent boundary. D) rift valley.
A) Surface waves B) secondary waves C) primary waves D) Q waves
A) mantle, core, crust, inner core B) crust, mantle, outer core, inner core C) outer core, mantle, inner core , crust D) crust, outer core, mantle, inner core
A) volcanic ash. B) rock. C) fire. D) magma.
A) empty. B) a dense ball of iron and nickel. C) layer of hot magma. D) a layer of cooled rock. |