Answer:
The scientist is studying oxygen which can also be found in protien. oxygen is the element which makes up to 65% of human body mass. It is also found in proteins inside the body.
Answer: Social media permits you to: Communicate and sit up thus far with family and friends round the world. notice new friends and communities; network with people UN agency share similar interests or ambitions. be a part of or promote worthy causes; raise awareness on necessary problems.
Explanation:
The answer to this is C- electromagnetic waves.
Hope that helps :)
A
addition mutationadeition mutation
so its A