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olga55 [171]
3 years ago
12

Which of the following contains a single type of element?

Biology
1 answer:
Marina CMI [18]3 years ago
8 0

Answer:

Gold

Explanation:

Gold is a singular element according to the periodic table. (Labeled Au), and it does not result from chemical bonds or multiple elements, like all other items listed here do.

I really hope this was helpful to you! Thanks and have a nice day!

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HELP!!!! two questions pls :)
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Answer:

1.

To back up the scientist, when a person is more fit, their breathing will return to a normal rate faster than average, as B's rate returned faster than everyone else's, they are more fit.

Another reason the scientist could be right, is when a person is very athletic and fit, their resting heart beat is lower than an average person's heart rate. As person B has the lowest at 10, this would make them more fit.

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If the scientist counted wrong at all while measuring breath rates, the results could be wrong.

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Explanation:

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