Which is a fruit potatoes celery lettuce or peas?

Here's why:

* Potatoes are actually tubers, which are underground stems.

* Celery is a stalk vegetable.

* Lettuce is a leafy green vegetable.

* Peas are the seeds of a pod-bearing plant, making them a fruit.

While the term "fruit" is often associated with sweet things, botanically, any plant part that contains seeds is a fruit.