Question

how does dermal tissue help plants on a hot day?
it releases substances so plants can absorb more water from the soil.
it has a waxy material that prevents the loss of water to the environment.
it has guard cells that open to prevent the loss of water to the environment.
it contains chemical substances that allow plants to use water more quickly.

Explanation:

Dermal tissue in plants includes the cuticle, a waxy layer that reduces water loss through transpiration, which is critical on hot days when water loss is accelerated. The other options are incorrect: dermal tissue does not release substances to increase water absorption, guard cells open to allow gas exchange (which increases water loss), and it does not contain chemicals to speed up water use.

Answer:

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