You can see if there’s pollution, if the ecosystem is unbalanced or balanced, and you can identify the animals that call the ecosystem home.
Hope that helps
Answer:
Pheomelanin
Explanation:
Dark-skinned individuals produce more melanin than those with pale skin.
The answer is B because mitochondria supports the respiration that it need to produce.
Contracting the diaphragm. When the diaphragm contracts, it moves downward, which increases the space in your chest cavity, allowing the lungs to expand and take in air.