Answer: A.
Explanation: When a chlorine atom gains an electron, its outermost principal energy level achieves an octet. In this case, the ion has the same outermost shell as the original atom, but now that shell has eight electrons in it.
Hi this is consider breathing. Hope this helps.
B. Systolic is when the heart beats. Diastolic is the heart at rest.
Answer:
I believe the answer is D
