Answer: just use the explanation to help ya answer
Explanation: Well, the difference between living and non living is that Living things are tranquil cells, that chemicals to take action to stay vigorous and living means they can choose on what to do and what not to do but nonliving things are not tranquil cells and they cant effect what to choose and what not to choose such as breathing, voiding and/or reproduction
1) Pneumothorax in this case; a spontaneous pneumothorax can be life threatening cause the lung will eventually cause vacuum used by the lung to fill with air, and as you constantly expand your lung it decreases and collapses. So C is going to be the answer.
2) Acetylcholine is the hormone responsible for the "Rest and digest". It is the direct opposite of the Fight and Flight reaction which is marked in Bronchodilation, Increased HR, and increased BP. B
3) Secretin is responsible for stimulating the release of bile by the liver. Secretin is released by the duodenum, the junction of the stomach and small intestines. B
Answer:
because they can donate blood to anyone
Explanation:
B . Excessive commercial fishing
Reason: the other options are good things this is the only bad thing