Here is a link that can help you.
http://study.com/academy/lesson/what-is-an-organ-system-definition-pictures-quiz.html
The Germinal Stage
Hope this helps
-Lexi
The picture is not clear !
Answer:
H2O
Explanation:
Water molecule is made of 2 hydrogen atoms bonded with covalent union (sharing electrons) with 1 oxigen molecule
<span>Deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes.</span>
