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