Question

How does dermal tissue help plants on a hot day?

Answer 1

Because it has no seed or have seeds with wax coating that helps prevent water loss.  So it would be the one that says , It has a waxy material that prevents the loss of water to the environment. because that is true.

Answer 2

I think...

B,  "It has a waxy material that prevents the loss of water to the environment."

Hope this helped!