What's the difference between saying bye and goodbye​

You say "bye" when you are leaving and you will see the person again. "Goodbye," however, is often understood as an indefinite parting, that it may be the last time you will see the person again.

Explanation:

hope it's helpful to you (≧▽≦)(≧▽≦)

Explanation:

goodbye means its last meet now from today we can't meet. bye means going away for short time

1.) is true

2.) is false

hey! what was the rest of the question?