Select all that apply. a scientific theory is true all the time is supported by evidence can evolve over time is a guess

Option (a) and (b) are the correct answers.

Explanation:

A scientific theory is defined as a well explained aspect of a real or natural  world that is based of facts. These facts can be are repeatedly confirmed by observations and experiments.

Hence, a scientific will be always true as it will give the same result every time it is repeated.

For example, quantum theory is a scientific theory.

Therefore, we can conclude that a scientific theory is:

i think if it were me i whould divide 300 dide 15

step-by-step explanation:

t = 1/400 h   ⇔ 0.0025 h ⇔ 9s ⇔ 0.15 m

any of the answers are correct.