Plants and burrowing organisms contribute to soil development by ________.
A. contributing their waste products, which act as nutrients
B. establishing small holes and pathways for water and nutrients to flow
C. breaking up solid particles and churning the soil profile
D. contributing carbon dioxide and organic acids
E. All of the answers are correct.
Answer: E
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The higher abundance of O16 in glacial ice occurs because it is the lighter oxygen isotope; it evaporates more easily
than O18 and then is precipitated as snow. a. True b. False
Explain one way in which the hydrosphere, biosphere, and atmosphere each interact with or affect the lithosphere. What will be an ideal response?
Which of the following statements accurately applies to the relation between a location and its annual temperature range?
A. Annual temperature ranges tend to be smaller at high latitudes than near the equator. B. Annual temperature ranges tend to be much greater in the middle of an ocean. C. Locations with identical annual temperature ranges have identical temperature patterns. D. Annual temperature ranges tend to be much smaller near an ocean coastline than in the middle of a continent.
In the map below, pink represents
A) subtropical scrub and woodland.
B) desert.
C) rain forest.
D) grassland.