Suppose that a balloonist has a mass of 60 kg. If each bolloon in the cluster can lift 0.5 kg, how many balloons will be needed to take off ? A. 30 bolloons
B. 60 bolloons
C. 120 bolloons
D. 160 bolloons ​

According to the 22nd amendment, a president can serve how many terms in office?

Which is true about pontiacs war in 1763

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste