What three factors affect the brightness of a star seen from
Earth?

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt