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Rudiy27
3 years ago
11

Are all oxygen atoms the same? And why

Biology
1 answer:
Black_prince [1.1K]3 years ago
4 0

Answer:

No. They don't necessarily have to be the same. For example, there can be isotopes (different numbers of neutrons) or ions (different numbers of electrons). The only thing that can't vary between atoms of the same element is the number of protons, but the others can have some variation.

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(what organelle is this) Passive transport is taking place across this thin cell covering causing the muscle cells to contract.
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Answer:

This question appears incomplete

Explanation:

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3 years ago
What is still lacking in the hypothesis of an asteroid impact as the cause of the end-cretaceous mass extinction?
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A convincing explanation of why some lineages survived while others vanished is still lacking in the hypothesis of an asteroid impact as the cause of the end-cretaceous mass extinction.

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To learn more about an asteroid with the help of given link:

brainly.com/question/11996385

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