The ecological relationship between termites and the wood-digesting protozoans that live in their gut is an example of mutualism. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
After my research the answer is that they are forms of electromagnetic radiation as far as I know.
Answer:
Option 4
Explanation:
Please see the attachment
Its the first layer of protection in the atmosphere against radiation from the sun and its harmful U.V. rays.
