In many areas, rainfall was forty percent less than normal.

What role does the underlined sentence serve in this paragraph?

It is a fact that serves as a supporting detail.

It is an example that serves as a supporting detail.

It is a statistic that serves as a supporting detail.

It is the topic sentence.

The underlined sentence "In many areas, rainfall was forty percent less than normal" serves as a statistic that serves as a supporting detail in the paragraph.

The underlined sentence "In many areas, rainfall was forty percent less than normal" serves as a statistic that serves as a supporting detail in the paragraph.