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