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