Answer:
They are 3 in numbers
Explanation:
which are the airway, the lungs, and the muscles of respiration
Answer: Adaptation
species adapt to their environment
1. Reduced production of waste materials
2. Increased reuse of older materials
3. Use more renewable sources of energy
4. Decrease the rate of fires through alternate means of warmth
5. Burn down less forests and find better means of farming
