Before Copernicus most people were thinking that the Earth is at center of universe. In 1609 Galileo observed sky through his home made telescope.
He found 4 moons orbiting Jupiter..It was a proof that bodies are orbiting other planets and not earth alone. <span>He found the crescent shape of Venus through his telescope and this could happen only if Sun is at center.</span>
In an electric circuit, the free electrons are moving around. Since equal charges repel and opposite charges attract, the electrons move from the negatively charged to the positively charged pole of the voltage source.
Different wavelengths of light are seen as colors
Answer/Explanation:
El Niño and la Niña, is a very <em>rare/complex phenomenon that occurs in water</em>. <em>El Niño and La Niña are climate patterns</em> in the Pacific that can affect weather everywhere basically worldwide.
<u><em>~ LadyBrain</em></u>
40% the formula is work output/work input*100 so
200/500=.4*100=40
