If the concentration of carbon dioxide in the atmosphere increases, Earth's average global temperature will
A. stay the same.
B. fluctuate wildly.
C. decrease.
D. increase.
Answer: D
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In a sequence of sedimentary rocks, you find a layer of poorly sorted sedimentary rock that includes many scratched cobbles. Below this layer is a body of granite that has a polished upper surface bearing many striations
How would you interpret such a rock sequence? What will be an ideal response?
Autotrophs are responsible for ____________________ productivity
Fill in the blank(s) with correct word
In the diagram, which of the following organisms would probably be found in the area between 1 and 2?
A. Trout, sludge worms, and mosquito larvae B. Mosquito larvae C. Gar, blackfly, and midge larvae D. Mayfly and stonefly larvae E. Bullhead catfish and gar
What is the clumping of smaller particles into large masses?
A) accretion B) nuclear fusion C) density stratification D) oxygen revolution