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