There exist no right answers. It depends on your body, your size and weight. Normal breast size is 34B. But every women is different. It varies between 32AA up to 36DD.
That depends on the size of the girls breast and chest measurments.
34B
NBA size (or an 18 inch diameter)
No that's nasty.
About 130 pounds or so.
A sixteen year old boy should weigh 66-75 kilos. Height must be between 165 to 180 cm.
I think that a 16 year old girl's breast areola size should be around a size 16
breast size should be 36 and stomach size should be 24 and bump should be 36
No because you guys could just be friends
Your ideal weight is between 118.4 and 159.4 pounds
A 12-year old girl should wear a size 12/14. If the girl is tall, she may want to go up a size so things will fit better.
There is no average since each girl/woman is different and breast size is based on DNA.