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