Hands only CPR is CPR without mouth-to mouth. In other words, only compressions are done. This is done when you see an adult or teen collapse when you are not in a hospital-setting. This is a type of CPR that is done by bystanders, when things go wrong at work, parks, or anywhere in fact. It can save lives.
Tar is the dark, sticky substance that forms when tobacco burns!!!
Answer: The environment is sometimes safe and sometimes unsafe. For culture, two people can be disrespectful or disgusted by another’s traditions or the way they do things. The media can bring others down by hurtful comments. Lastly, personal values can make another person to feel hurt or sad.
Particulate Matter or PM should be your answer.