Which of the following is NOT one of the four main criteria that scientists use to determine if an idea is scientific?
- The idea is observable.
- The idea is always true.
- The idea is testable.
- The idea is repeatable.

Respuesta :

♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫

 It would be "the idea is always true."

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

ʜᴀɴɴᴀʜ ♡