From what i heard, when carbon monoxide is in a person's blood (smoker or non smoker) it can kill you, it is a sign of poison in your blood. With smokers it is worse because they are smoking something that has a high content of carbon monoxide which can cause heart problems, lung cancer, birth defects, etc. So thats what i think
I believe it's either microwaves or x-rays
I studied this last year
The answer would be: A. Absolute method
The absolute method is done, normally, carrying out by calculating the maximum amount of recital that you and your brother could do over an allotted amount of time. For example, in about 1 minute, the person with the alternative recital is more likely the one with more muscle endurance.
Answer:
Here's some books that you can look up. And maybe look up on Amazon or book stores.