Carbon monoxide poisoning occurs when carbon monoxide builds up in your bloodstream. When too much carbon monoxide is in the air, your body replaces the oxygen in your red blood cells with carbon monoxide. This can lead to serious tissue damage, or even death.
Carbon monoxide is a colorless, odorless, tasteless gas produced by burning gasoline, wood, propane, charcoal or other fuel. Improperly ventilated appliances and engines, particularly in a tightly sealed or enclosed space, may allow carbon monoxide to accumulate to dangerous levels.
Active listening and patience
It is C
Explanation: peer pressure, your peers are the people around you, your age, your friends for example… and then pressure if someone pressures you to do something they are making you do something you are not comfortable with doing. So negative is bad and positive is good, negative peer pressure is not encouraging you to do something bad, positive peer pressure, they are encouraging you to do something good
:)