Question

1. refer to figure 3. which of the following is not a question that can be answered using this data?

what is the relationship between fossil fuel burning and temperature increase?
if co₂ emissions stopped increasing in 2050, how would temperature trends change?
how does the temperature trend from 1950 - 2000 compare to the projections for 2050 - 2100?
what specific policies or regulations caused changes in co₂ emissions in the past?

Explanation:

The data likely shows relationships between variables like fossil - fuel burning, CO₂ emissions, and temperature changes over time. However, it would not contain information about specific policies or regulations that caused CO₂ emission changes.

Answer:

What specific policies or regulations caused changes in CO₂ emissions in the past?