Answer:
Gravity is very important for us,animals and plants. We could not survive Earth without it. The sun's gravity keeps Earth in orbit around it, keeping us a good distance away from it (the sun). Gravity is holding down our atmosphere and the air we need to breathe along with it.
B. light reflects off of the t shirt and enters the human eye
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https://www.quora.com/Why-is-fresly-prepared-FeSO4-required-for-the-ring-test
Chemical reactions are known as electron transfer reaction.
