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