What is the job of the small openings on the underside of leaves

The stomata allows gases to diffuse in and out of leaves. They take in oxygen and release carbon dioxide.

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .