The miThe migration of birds.
Answer:
No, coal is not a mineral because coal is made of dead plants
Explanation:
Coal is formed when dead plant matter decays. Minerals are chemical compounds.
Minerals are not formed from plants or animals
Because it t<span>akes in nutrients, breaks them down, and creates energy rich molecules for the cell. </span>
Answer:
Alveoli
Explain:
They are the workhorses of your respiratory system. You have about 480 million alveoli, located at the end of bronchial tubes. When you breathe in, the alveoli expand to take in oxygen. When you breathe out, the alveoli shrink to expel carbon dioxide.
