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