I have three questions that I can't find anywhere.
19) Organisms that are at the greatest risk when the dynamic equilibrium is upset would be the:
A. Organisms at the top of the evolutionary tree
B. Generalists
C. Specialists
D. Invertebrates
E. All of the above
20) A major player in the flow of energy through the biosphere is (are) the
A. Atmosphere
B. Magnetosphere
C. Microsphere
D. Bacteria
E. All of the above
22) At least 45% of the solar radiation is:
A. Reflected by dust, clouds and the earth's surface
B. Used to drive the water cycle
C. Involved in photosynthesis
D. Absorbed by the earth and the atmosphere
E. Is a part of the Albedo Effect
I know it looks like a lot, but any help would be much appreciated. I have 54 questions and all of them are very hard. I do my courses through correspondence, so there is no teacher or classmate help. My brain hurts lol.
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