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