I think is A but I’m not sure I just need points
Answer:
It is important to have more than one piece of evidence to make sure that the evidence is actually evidence. Or in other words, that the evidence is proven true. With only one piece of evidence, you can't be fully sure if calculations were correct, if the source was trustworthy, etc.
Multiple evidence is kinda like double checking math problems. If you don't do it, you can't be 100% certain the answer is correct.
A complex chemistry is most related to maintaining a stable internal environment.
Answer:
break down/ or release gas into the air
Explanation:
a car's engine is limited when it is running for certain periods of time, this casues pollution as a result of gas expelled from the car
Answer:
Vestigial structure. Hope this helps :P
Explanation: