Question

Which contains carbon?

phosphorus

salt

water

lipid

Answer 1

Among the options you provided, only **lipid** contains carbon.

Here's a breakdown:

- **Phosphorus**: This is a chemical element and does not contain carbon.
- **Salt**: Common table salt, or sodium chloride (NaCl), does not contain carbon.
- **Water**: The chemical formula for water is H₂O, which also does not contain carbon.
- **Lipid**: Lipids are organic compounds that primarily consist of carbon, hydrogen, and oxygen.

So, the correct answer is **lipid**.