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