Answer:
He provided a number of scientific insights that laid the foundation for future scientists. He also improved telescope that helped further the understanding of the world and universe.
Explanation:
The answer is b) light waves travel faster than sound waves.
Explanation:
Fe. O
72.40/ 56 27.60/16
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1.29/1.29 1.725/1.29
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1. :. 1
<h3>Emperical formula = FeO</h3>
