Answer: supplied air mask
Explanation: because air can go in the mask and the gases and fumes can hurt you.
P represents heating and Q represent cooling.
this is because when you start from a liquid and turn to a gas the particles move faster making them farther apart, causing a gas. the opposite happens when you go from a liquid to a solid. the partials move closer together causing a solid to form. :)
Answer:
Below are some of the key causes of the American Revolution in the order they occurred.
The Founding of the Colonies. ...
French and Indian War. ...
Taxes, Laws, and More Taxes. ...
Protests in Boston. ...
Intolerable Acts. ...
Boston Blockade. ...
Growing Unity Among the Colonies. ...
First Continental Congress.
Bro lead can’t oxidize what is your teacher doin