Multiple Choice
After reading the paragraph below, answer the questions that follow.
The graph below shows records of temperature (light gray line) and CO₂ (dark gray line) over the past 1,000 years. CO₂ is recorded in parts per million (ppm) .

-If you focus on the data from the mid-1900s (indicated by the arrow) through today, the graph shows that
A) there is a correlation between CO₂ and temperature; when CO₂ levels are high, so is temperature.
B) there is a correlation between CO₂ and temperature; when CO₂ levels are high, temperature is low.
C) there is no correlation between CO₂ and temperature; CO₂ fluctuates randomly and temperature is constant.
D) there is no correlation between CO₂ and temperature; CO₂ is constant and temperature fluctuates randomly.
Correct Answer:

Verified
Correct Answer:
Verified
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