Everything that is alive or was once alive contains carbon. This is because carbon is the backbone of organic molecules, which make up living things.

Here are some examples of things that have carbon in them:

* Plants: Trees, flowers, grass, etc.

* Animals: Humans, dogs, cats, birds, fish, etc.

* Food: Fruits, vegetables, meat, dairy, grains, etc.

* Fossil fuels: Coal, oil, natural gas

* Many everyday objects: Plastic, paper, wood, fabrics, etc.

Other things that contain carbon:

* Diamonds: Pure crystalline carbon

* Graphite: Another form of pure carbon

* Carbon dioxide: A gas in the atmosphere

* Carbon monoxide: A poisonous gas

* Carbonates: Found in rocks and minerals

Essentially, carbon is a fundamental element found in a vast array of substances.