Question

Select the correct answer.

When do scientists consider a hypothesis valid?
A.
when the hypothesis is testable
B.
when the hypothesis is published in a scientific journal
C.
when more than one person supports the hypothesis
D.
when experimentation shows it to be true

Answer 1

A.

Step-by-step explanation:

It must be testable and it must be falsifiable. If a hypothesis cannot be tested by making observations, it is not scientific.