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