Answer:
D. helps maintain membrane fluidity
Explanation:
The answer should be 4) as it is known that uv radiation might have an effect on dna, thus causing mutations such as skin cancer in humans.
Answer:
simple micro scopes or for seeing just small items and compound micro scope is for even smaller stuff!
Explanation:
A compound microscope allows you too see stuff like atoms they are super small and cant be seen by the naked eye so we need a strong tool called the compound microscope!
