[two waves] pass a point [every second]... The answer is in the question (B)
C. Chemical Energy is transformed to light energy and heat energy. The heat energy is keeping you warm and light energy is giving you the light you need to be able to read the book.
In reality we don't see the galaxy we see it's reflection .. the light hits or got emitted by the star travel all the way long to hit our eyes .. we see their reflection . everything around you that you see is it's reflection
<span>the easy walk harness should be looser on the dog than other harnesses</span>
UV Radiation since it has a higher frequency than the others. The higher the frequency the shorter the wavelength.
