Im just bored do u have showtime if so whats ur fav show?

What is the missing step in this proof? scroll down to see the entire proof. u

Why has there been such a large increase in theft and other crimes in the u. s

Certain gases in air are important natural resources that are used in welding. two of these gases are a. oxygen and argon b. hydrogen and fluorine c. chlorine and sulfur dioxide d. nitrogen and carbon dioxide