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Bumek [7]
3 years ago
6

Cities are measurably hotter than the surrounding suburbs

Chemistry
2 answers:
blondinia [14]3 years ago
7 0
There are also more heat absorbing surfaces - concrete roads, sidewalks, buildings all retain heat
abruzzese [7]3 years ago
5 0
 cities have factories , more people and no water around .
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Question is incomplete, the complete question is as follows:

A student wants to examine a substance by altering the bonds within its molecules. Which of the following properties of the substance should the student examine?

A. Toxicity, because it can be observed by altering the state of the substance

B. Boiling point, because it can be observed by altering the state of the substance

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A student can examine a substance without altering the bonds within the molecules by examining its boiling point.

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Hence, the correct answer is "B".

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