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