Why should people pay attention to scientists when making decisions? A)scientist are the smartest people B) Scientist make up facts that they wish true C) scientist use experiments to test their ideas D) scientist are always correct

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34