I Believe the answer to your question is True.<span />
Answer:
It is made of matter and contains twenty-four molecules.
A new moon occurs once every lunar month, and a lunar month lasts 29.5 earth days. Therefore, the new moon may occur either 29 days after this one, on the 30th of October, or it may occur 30 days after this one, on the 31st of October, since there can not be 0.5 days in a month.
Hello!! The answer would be A - The SA node. It is known as the "pacemaker" because it initiates the heart's rhythmic contractions. I hope I helped!! Have a great day. :)