Carbon dioxide is a greenhouse gas.

Carbon monoxide is a toxic gas.

I used carbon paper to make a copy of the document.

Carbon tetrachloride is a highly toxic liquid that is non-flammable and volatile.

I love drinking carbonated water.

Activated carbon is commonly used for decolorization, detoxification, and odor control.

Sodium carbonate is commonly used as a cleaning agent.

I try to lessen my carbon footprint by using public transportation.