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