I believe it is B but I’m not 100% sure
Answer:D
Explanation: The answer is D because Archaebacteria are the only bacteria that defy the laws of nature and live in harsh/ tough environments.
Answer: frameshift mutation
Explanation: A frameshift mutation is a particular type of mutation that involves either insertion or deletion of extra bases of DNA. Now, what's important here is the number three. The number of bases that are either added or subtracted can't be divisible by three.
8 electrons if it is a neutral atom.