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