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