Is Zack from Zachary?

Zack (and variant spellings Zach, Zac, Zak, Zakk) is sometimes a given name, but more often it is a hypocorism or short form of another given name, usually Zachary in the English speaking world, which derives from Zechariah.

How heavy is a Gala apple?

They are of average size and weight from 120 to 150 grams.

What does 12 apples weigh?

12 apples weigh 2kg 500gram.