Answer:
May we please see a picture for more understandable
Abdominal pains, coughing blood, and bloody urine.
I think Hypothesis, Experiment, and Conclusion
An indicator species<span> is an organism whose presence/lack thereof, or abundance reflects a specific environmental condition/lack of environmental health.</span>
Some of the things found in second hand smoke is hydrogen cyanide, carbon monoxide, and ammonia
second hand smoke can also cause cancer
