Which of the following statements about Earth of 56 million years ...

[xroflmao]

Which of the following statements about Earth of 56 million years ago is correct?
 
  A) Climate change was triggered by a huge release of volcanic ash.
  B) It was marked by the extinction of many marine species.
  C) Ocean surface waters were enriched in dissolved oxygen.
  D) The climate was much colder than it is today.
  E) There was a decrease in ocean temperatures.

Question 2

Which of the following human-generated gases absorbs the least infrared radiation per molecule?
 
  A) Carbon dioxide (CO2)
  B) Chlorofluorocarbons (CFCs)
  C) Methane (CH4)
  D) Nitrous oxide (N2O)
  E) Water vapor

[Bsand8]

Answer to Question 1

B

Answer to Question 2

A