The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into the exhaled air.
What is the main reason that restaurants, offices, and other public places have separate areas for smokers?
A.
to limit nonsmokers' exposure to second-hand smoke
D. Regular Exercise has been shown to reduce the physical effects of stress.
A wouldn't be correct because at home, you can find plenty of time to relax.
B would be wrong because it is opinion based and would be extremely difficult, if not impossible to experiment for.
And C would be wrong because mental discipline doesn't necessarily means you can take away stress.
Hope this helps!
~GeeksandNerds
False. There can be other types of peer pressure as in good influences. Let's say your best friend always gets straight A's, has good manners, does sports, and follows rules. That kind of peer pressure is positive and can rub off on you.
