?

GRE®

Free Version

Upgrade subject to access all content

Moderate

Ants

GRE-WHSSHV

Select ONE entry for each blank from the corresponding column of choices. Fill ALL BLANKS in the way that best completes the text.

A new scientific report indicates that ants

the breakdown of some important minerals into chemicals that suck carbon dioxide out of the air to form new rocks. This act of carbon

may help reduce climate change, though scientists have yet to determine how ants are able to achieve this.