The overarching goal of the carbon mitigation initiative is
a. develop alternative fuel sources
b. reduce carbon dioxide emissions
c. simulate and predict the future climate on earth
d. find solutions to the global warming dilemma

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels

The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?