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hichkok12 [17]
2 years ago
6

Which safety rule is MOST important when smelling the product of a chemical reaction?

Biology
1 answer:
nekit [7.7K]2 years ago
8 0
Use a wafting motion 

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Considering that we are all made up of the same 4 nucleotides in our DNA, the same 4 nucleotides in our RNA, and the same 20 ami
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What is the percentage of nitrogen in Earth's atmosphere? A) 1% B) 21% C) 78% D) 95%
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The answer is C.... Hope this could help
5 0
3 years ago
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starch is made by plants whie cellulose is not

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stiv31 [10]

Answer:Over time, carbon-14 decays in predictable ways. And with the help of radiocarbon dating, researchers can use that decay as a kind of clock that allows them to peer into the past and determine absolute dates for everything from wood to food, pollen, poop, and even dead animals and humans.

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2 years ago
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from species down we have: 

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molecule 

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elementary particle

I hope this helps you.

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