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