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