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