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08-10-2020
Chemistry

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hello! I need a bit of help and Im kinda in a bit of a hurry so please help! Thank you :D

hello I need a bit of help and Im kinda in a bit of a hurry so please help Thank you D class=

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774dwhy55u 774dwhy55u

08-10-2020

The first one is substance 3
The second one is Oxygen, Helium, and carbon dioxide
The third one is the oil floats on top of the water

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Аноним Аноним

08-10-2020

Answer:

so for the first one it is the third one the second one it is carbon dioxide and for the third one,. Gasoline is an oil product. It floats and doesn't mix with water.

Explanation:

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