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 only way to break down rocks. B) the process that breaks down rock and other substances at the Earth's surface. C) a process that only involves water. D) the movement of rock particles by wind, water, ice, and gravity.
A) Erosion B) Deep Freeze C) Mechanical 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, B, C C) O, A, E, D D) A, B, C, D
A) mustard B) litter layer C) humans D) humus
A) A B) B C) O D) C
A) Bedrock B) Sub Soil C) Litter layer D) Top Soil
A) True B) False
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 done on the contours of the landscape D) is a poor way to conserve soil
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) convergent boundary. B) divergent boundary. C) transform boundary. D) rift valley.
A) Q waves B) secondary waves C) Surface waves D) primary waves
A) crust, outer core, mantle, inner core B) mantle, core, crust, inner core C) crust, mantle, outer core, inner core D) outer core, mantle, inner core , crust
A) volcanic ash. B) rock. C) magma. D) fire.
A) layer of hot magma. B) a dense ball of iron and nickel. C) empty. D) a layer of cooled rock. |