An atom that gains a negative electron, it becomes a negative ion. If it loses an electron it becomes a positive ion. Some atoms lose electrons and become positive ions. Others gain electrons and become negative ions.
The answer is C. lymphocytes
The only base that pairs with Guanine is Cytosine. Hope this helps!
Answer:
option D is correct answer I think
Answer: Bacteria producing oxygen for the oxygenation of the earth's atmosphere.
Explanation: ????????? NOT FOR SURE
