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Grace [21]
3 years ago
14

Please help asap, thank you!

Chemistry
1 answer:
yKpoI14uk [10]3 years ago
6 0
The answer is coastal upwelling.
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Which of the following you do NOT need to pay attention while using a centrifuge?
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The radius of the centrifuge.

Explanation:

Hello,

Since the radius of the centrifuge is just a design parameter, it wouldn't be a cause of failure because it is used to know how many tubes could be fitted in into the centrifuge. On the other hand, keeping you attention away from other factors could turn into a failure as long as the sample could be poured down or just turn out inadequate for the expected results.

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What evidence supports conservation of matter?
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2 years ago
Reversible reaction and examples on them
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Answer:

Here are three examples  

Explanation:

In a reversible reaction, the conversions of reactants to products and of products to reactants occur at the same time.

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The reaction of hydrogen and iodine to from hydrogen iodide.  

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Example 2

The dissociation of carbonic acid in water to form hydronium and hydrogen carbonate ions

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The dissociation of dinitrogen tetroxide to nitrogen dioxide.

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Information collected through our five senses: sight, hearing,
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yes

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The five senses: sight, hearing,

taste, smell, and touch can be extended with instruments

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