Answer:
Explanation:
Carbon has 4 electrons in its valence (outermost) shell so it makes 4 bonds with other atoms.
<u>Organic Compounds:</u>
Those compounds which consist of hydrocarbons and its derivatives are organic compounds.
So, All organic compounds consist of carbon with some exceptions still being there!
Hope this helped!
<h3>~AnonymousHelper1807</h3>
A seems like the best answer, since your lungs expand while you breath it makes sense that the diaphragm would expand.
They help break down food particles to get energy and provide nutrients for the cells
First of all D does not make sense so you can roll that out right away yeah answer would be B