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