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