What is considered good scientific reasoning, supported by empirical evidence? A)explanation
B)theory
C)observation
D)hypothesis
No links please

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

What is the relationship between absorbance of light and the rate of photosynthesis?

What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.