4.Which of these is true according to Bill McKibben?

4.Which of these is true according to Bill McKibben?

a. Current fossil fuel reserves, if completely used, would raise the average global temperature less than 2 Celsius

b. Current fossil fuel reserves, if completely used, would raise the average global temperature more than 2 Celsius

c. Current fossil fuel reserves, if completely used, would not affect the average global temperature

d. All of the above

e. None of the above

5. According to Bill McKibben, what is the purpose of the "carbon budget"?

a. To limit the rise in average global temperature to 2 Celsius

b. To limit the rise in average global temperature to 6 Celsius

c. To conserve fossil fuel and insure a longer lasting supply

d. All of the above

e. None of the above

6. What strategy does Bill McKibben recommend to avoid exceeding the "carbon budget"?

a. Pass laws restricting the use of fossil fuels

b. Divest money from the fossil fuel industry

c. Replace fossil fuels with nuclear power

d. All of the above

e. None of the above