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