A) a process that is only mechanical.. B) the only process that breaks down rocks. C) the process that breaks rock and other substances down. D) the movement of rock particles by wind, water, ice, and gravity
A) the process that breaks down rock and other substances at the Earth's surface. B) a process that only involves water. C) the only way to break down rocks. D) the movement of rock particles by wind, water, ice, and gravity.
A) Erosion B) Mechanical C) Chemical D) Deep Freeze
A) False B) True
A) False B) True
A) sand storms B) Acid Rain C) Repeated freezing and thawing D) erosion
A) O, A, E, D B) A, E, I, O C) A, B, C, D D) O, A, B, C
A) litter layer B) humus C) humans D) mustard
A) A B) C C) B D) O
A) Litter layer B) Sub Soil C) Bedrock D) Top 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) is a poor way to conserve soil D) tears the ground up and creates erosion problems
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) Water B) Air C) Humus D) Minerals
A) True B) False
A) divergent boundary. B) rift valley. C) transform boundary. D) convergent boundary.
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) fire. B) magma. C) volcanic ash. D) rock.
A) empty. B) layer of hot magma. C) a dense ball of iron and nickel. D) a layer of cooled rock. |