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