Question

identifying a solution
while we are not exactly sure how fast or how much the earths average temperature will rise, we know that:
if people keep adding greenhouse gases into the atmosphere at the current rate, the average temperature around the world could increase by about 4 to 12°f by the year 2100
if we make big changes, like using more renewable resources instead of fossil fuels, the increase will be less - about 2 to 5°f.

• a students guide to global climate change, us environmental protection agency

what solution does the author offer for reducing greenhouse gases?
use more renewable resources.
which phrase helps readers understand that this is a solution?

Explanation:

The text presents two scenarios regarding global - temperature rise based on different levels of greenhouse - gas emissions. The solution of using more renewable resources is presented as a way to reduce the temperature increase. The phrase "will be less" indicates that using renewable resources leads to a lower increase in temperature, thus signifying it as a solution.

Answer:

will be less