Read the following characteristics of stars and choose the one that is correct. plz help quickly

A. Although all stars have the same brightness, Earth’s atmosphere makes some appear brighter than others.

B. All stars are the same size, but they release different amounts of light

C. If two stars give off the same amount of light, the closer one will appear brighter to us.

D. Smaller stars give off more light than larger ones

This is the substance(s) formed in a chemical reaction.

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.