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