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