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2 years ago

5

hich quantity describes how spread out a set of data is? O A. Standard deviation O B. Percent error O C. Line of best fit D. Mea

n

1 answer:

juin [17]2 years ago

6 0

The answer to this is B.

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The best example is C. Heat flows from a hot liquid to a pot handle.

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2 years ago

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What is the frequency of red light with a wavelength of 645 nm?

marin [14]

Answer:

4.64E14

Explanation:

First convert 645 nm to m = 6.4500E-7m. The equation for finding v with these values is the speed of light/wavelength. so 2.998E8/6.4500E-7m.

so your v or frequency would equal 4.64E14

Fun fact you know this is visible light because the visible light range is within the E14 range.

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3. A vapor is which state of matter? (1 point)<br> solid<br> liquid<br> gas<br> all of the above

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Answer:

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2 years ago

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2 HCl (aq) + Zn (s) → ZnCl2 (aq) + H2 (g)

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Which of the following is not part of protozoa?

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Answer: A. Cilla Is Correct.

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