Question

the outer walls of the epidermis are usually thick and covered with​

Answer 1

Explanation:

wax

Epidermis is covered with a layer of wax which helps the plant in various ways. The very first thing this waxy substance helps with is controlling the loss of water from the plant. This outer layer of epidermis also helps in exchange of gases. It also is responsible for absorption of water and minerals in roots.

Answer 2

Answer:

Wax.

Explanation:

Epidermis is covered with a layer of wax which helps the plant in various ways. The very first thing this waxy substance helps with is controlling the loss of water from the plant (transpiration losses) This outer layer of epidermis also helps in exchange of gases.

Hope this helps u buddy :D

have a great day

One more thing to add on

the specific name of this wax present in stem and leaves is called CUTIN.