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