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