Most scientist value
a. precision over accuracy b. accuracy over precision

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.

Which is not true about oxygen-17 and oxygen-18?

Wavelength, frequency, and energy are related. what happens to a wave as it’s wavelength gets shorter?