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