Answer would be A. Why because isolation means that nothing can move in or out
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➷ Iron would be attracted to a magnet therefore, you can hover a magnet over the mixture. Doing this would lift out the iron fillings, leaving the sand behind.
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Just divide 675 by the atomic number of cesium and you will end up with
5.078798426627975
Answer:
See below ~
Explanation:
Sea water has a <u>high amount of salt present</u> in it. The density of salt is <u>higher than that of water</u>. It <u>dissolves in water</u>, thereby increasing its density. Hence, this is why sea water has a higher density than tap water.
