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