A large proportion of our cells, muscles and tissue is made up of amino acids, meaning they carry out many important bodily functions, such as giving cells their structure.
ANSWER: A. The sun is located at the centre of the universe
Explanation:
They differ when they have the same chemical composition but the way in which they are arranged or put together is different.
Answer:
maybe do B, not all of the same water molecules travel with the same wave
Explanation: