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