Is anyone awake here 12-14 year old boy that want to talk or be my friend?

When the water vapor cools it condenses select a number that represents his process on the

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?