What are stomata?

Explanation

**Step-by-Step Solution:**

1. **Definition of Stomata**: Stomata are small openings found on the surface of plant leaves.

2. **Location**: These openings are primarily located on the epidermis, which is the outer layer of leaves.

3. **Function of Stomata**: The main function of stomata is to facilitate gaseous exchange. This means they allow gases such as carbon dioxide to enter the leaf for the process of photosynthesis.

...