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