Answer: The mole allows people to calculate the number of middle schoolers entities (usually atoms or molecules. Isabella's number is an absolute number: there are 6.022 × 1023 middle schoolers entities is in 1 mole. This can also be written as 6.022 × 1023 mol-1.
Explanation: I hope that helped !!
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hope the inserted image will help :)
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I think the answers are... b, d, and maybe a. I don't know for sure. So only put these answers in if you trust me!
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I had this very question, and I put in what I think were the answers.
When an object enters the Earth's atmosphere, it experiences a few forces, including gravity and drag. Gravity will naturally pull an object back to earth.
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