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Fittoniya [83]
3 years ago
6

Rewrite this sentence to make it true:

Biology
1 answer:
Dennis_Churaev [7]3 years ago
3 0

Answer:

Chemical changes happen when the molecules and atoms in matter change

Explanation:

Chemical changes occur when molecules or atoms' bonds are broken or formed

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Masteriza [31]

Answer:

An increase of 3,500 J

Explanation:

Given that,

Energy added by swimmer = 12000 J

Heat removed by the surrounding = 8500 J

We need to find the total change in energy. It can be calculated using the law of conservation of energy such as :

\Delta U=Q-W\\\\\Delta U=12000-8500\\\\\Delta U=3500\ J

As the change in energy is positive, it means that there is an increase of 3500 J.

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3 years ago
What episode wiped out many insect species in the world?
igomit [66]
The answer is Permian-Triassic extinction.

The Permian-Triassic extinction was 252 million years ago. It is known as The Great Dying because about 95% of all species died out due to environmental changes (volcanic eruptions, dry climate, melting of ice sheets, etc). This is also the only event in which many insect species wiped out.
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2 years ago
What is science??????????????????/
elena-14-01-66 [18.8K]

Science is the study and learning mechanism of the world and how everything is created as well as used today and billion of years ago

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3 years ago
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lys-0071 [83]

answer would be D) Cell Plate

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