<span>The answer to 10 is A as liquids expand with an increase in temperature. 12. Not able to answer. The answer to 17 is A as a the two different metals expand and contract at different rates when heated and cooled.</span>
C. Pepsin is the hormone that is produced mainly in the stomach and regulates secretions of gastric juice.
Think of a machine that can create the human race by saying like a piece of hair or someone can clone them hope this helped !