People breathe in oxygen molecules from the air and exhale carbon dioxide molecules. because of this, the air is full of carbon dioxide and oxygen mixed together. what is this an example of?

How are extrusive rocks formed? magma gets trapped inside earth and cools to rock. volcanoes apply force to solid rocks and eject them. magma gets forced to earth’s surface and cools to rock. volcanoes trap lava inside earth, where it cools to rock.

Convert 9.75 millimeters to centimeters.centimeters

The cluster of developing cells from conception until birth is called an