<h2>Answer:</h2>
Family of Synthetic Elements
<h2>Explanation:</h2>
In chemical Sciences a synthetic element is a chemical element that does not occur naturally on Earth, and it can only be created artificially in the laboratory. So far, 24 synthetic elements have been created in the laboratory and their atomic numbers lie from 95–118.
Plants use and produce both oxygen and carbon dioxide.
Explanation:
I hope the diagram will help remember A always pairs with T and C always pairs with G. u can also remember as Apple Tree and Car Garage. :)