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) Deep Freeze B) Erosion C) Chemical D) Mechanical
A) True B) False
A) True B) False
A) sand storms B) erosion C) Acid Rain D) Repeated freezing and thawing
A) A, E, I, O B) O, A, B, C C) A, B, C, D D) O, A, E, D
A) litter layer B) humus C) mustard D) humans
A) B B) C C) O D) A
A) Bedrock B) Top Soil C) Sub Soil D) Litter layer
A) True B) False
A) is done on the contours of the landscape 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) tears the ground up and creates erosion problems
A) The soil is too wet B) It loses fertility C) It becomes the best soil for planting D) It is packed with minerals
A) Humus B) Air C) Water D) Minerals
A) True B) False
A) divergent boundary. B) convergent boundary. C) transform boundary. D) rift valley.
A) primary waves B) Surface waves C) Q waves D) secondary waves
A) outer core, mantle, inner core , crust B) crust, outer core, mantle, inner core C) mantle, core, crust, inner core D) crust, mantle, outer core, inner core
A) magma. B) fire. C) rock. D) volcanic ash.
A) a layer of cooled rock. B) empty. C) a dense ball of iron and nickel. D) layer of hot magma. |