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belka [17]
3 years ago
8

Which of the following properly describes an ion?

Biology
1 answer:
8090 [49]3 years ago
5 0
An ion is an atom/molecule that has a negative (-) or positive (+) net charge. The change in charge is ONLY due to an atom or molecule either gaining or losing an electron.
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The higher up the food chain humans eat, the greater levels of toxic metals they take in. true false
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the answer would be true because you eat more toxins the higher you go

6 0
2 years ago
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1. Describe the differences between radiation, conduction, and convection.
kkurt [141]

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4 0
3 years ago
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QUICK!!!! HELP!!!!
pochemuha

Answer:

Millions of years ago, the Appalachians were taller than the Himalayas! Millions of years of erosion, however, have taken their toll. ... The crust that is now the Appalachians began folding over 300 million years ago, when the North American and African continental plates collided.

3 0
3 years ago
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AlexFokin [52]
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5 0
3 years ago
Difference between eukaryotic and prokaryotic cells
kicyunya [14]

Answer:

The main difference is the presence of a nucleus.

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3 years ago
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