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sveta [45]
3 years ago
13

To describe the length of a classroom, a student should use

Chemistry
2 answers:
Kamila [148]3 years ago
8 0
The answer is D).....
steposvetlana [31]3 years ago
7 0

The answer is d because you are measuring a classroom

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VMariaS [17]

Answer: thanks babe

Explanation:

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3 years ago
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A change in state is a physical change.<br><br>True or false​
Morgarella [4.7K]

Answer: Depending on the state of change it can be a physical change. Example: Evaporation is the physical change of a liquid turned into a gas.

That said, I'm pretty sure the answer is (True)

Note: Hope this is correct and it helps. Good luck :)

5 0
2 years ago
29. Which is the electron configuration of an atom
Feliz [49]
2 is right am 70 percent sure
8 0
2 years ago
Which is correct if 15,390,000 is rounded to two significant figures?
BARSIC [14]

Answer:

Explanation:

Remark

This is one of those questions that you need the choices. You can't tell what you should enter. For example, in scientific notation, you would get 1.5*10^7.

Or you could keep it as an integer and round to two places 150,000,000,

I would pick scientific notation if you know how to use it. Otherwise use the interger format.

7 0
2 years ago
identify 2 changes of state that require energy to be used, and 2 changes of state that require the release of energy
solniwko [45]

Answer:

used=Evaporation and sublimation

released=condensation and freezing

Explanation:

8 0
3 years ago
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