Answer:
300 tennis balls
Explanation:
There are 60 minutes in an hour so...
60/12 = 5
Since 60 tennis balls can be launched in 12 minutes and 12x5 is one hour, 60x5 tennis balls can be launched in an hour.
60(5) = 300
A lot of global warming can cause destruction of the food supply and a lot of harmful air can build up which is bad.
pyramid
B IS THE ANSWER!!!!!!
what's the wrest
C. Jazz performances.
