Question

scientific questions must be _________. a. based on scientific theories b. general c. biased d. testable please select the best answer from the choices provided a b c d

Explanation:

Scientific questions need to be testable through experiments or observations. They don't have to be based on existing scientific theories (as they can lead to new theories), being too general is not a requirement, and they should not be biased to ensure valid results.

Answer:

D. testable