Because many animals are likely to die from contamination
Answer:
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The most abundant element in the Sun and in the stars are hydrogen and helium. Like most of the stars, there is a spontaneous radioactive reaction happening in the Sun. Hydrogen is transformed into Helium. As long as the stars are young, the most abundant element is hydrogen.
Answer: When the meteor hits the atmosphere, the air in front of it compresses incredibly quickly. ... When a gas is compressed, its temperature rises. This causes the meteor to heat up so much that it glows. Change a few words I hope that helped you!:)