Name the ingredients used to prepare dosa.

Explanation

To prepare dosa, the following ingredients are used:

1. **Rice**: This is the main ingredient that forms the base of the dosa batter.
2. **Urad Dal**: This is a type of lentil that is ground along with rice to create a smooth batter.
3. **Salt**: This is added for flavor.
4. **Water**: This is used to adjust the consistency of the batter.
5. **Oil**: This is used for cooking the dosa on the frying pan.

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