Author Question: Based on climate reconstructions, ample evidence shows that climates have fluctuated throughout ... (Read 93 times)

stock

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Based on climate reconstructions, ample evidence shows that climates have fluctuated throughout Earth's long history. Describe some of the mechanisms of this climate fluctuations.
 
  What will be an ideal response?

Question 2

The sediment load that travels in solution is
 
  A) saltation.
  B) bed load.
  C) suspended load.
  D) dissolved load.
  E) flow load.



ally

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Answer to Question 1

Several examples may include solar variability (sun spot activity), changes in Earth-Sun relationships (Milankovitch Cycles), plate tectonics and orogenies, and changes in concentrations of atmospheric gases and aerosols.

Answer to Question 2

D



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