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