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