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