d. coal because coal forms over millions of years, not just that, even now, our earth have resources
Mitochondria are found in all body cells.
Hi these structures would include the skin, nails, hair, glands, and nerves.
Hope this helped you.
Answer:
When the diaphragm contracts (it's a large flat muscle), it pulls the lungs down this causing expansion which eventually lead to inhalation of air. If it's injured, then that will be affected.
