The graph summarizes the amount of oil that has been produced worldwide and the amount that is predicted to result from known oil reserves and new discoveries of oil.

Fossil Fuel Production

14+

12

10

Proven reserves

6

Cumulative Production

Future discoveries

2

0

1850

E

Production, in billions of barrels per year

1900

1950

85420

2000

2000

Year

2100

2150

2200

Which statement is a conclusion that you can draw from the information in the graph?
A. Humans will eventually need alternatives to oil, because there is a limited amount

B. Humans will be able to rely on oil as a primary energy source for the next 200 years.

C. Hurnans will run out of oil completely by the year 2040

D. Humans will run out of all energy sources by the year 2200

A. Humans will eventually need alternatives to oil, because there is a limited amount.