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