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