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