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Jlenok [28]
3 years ago
14

Since 1990, at least thirty new emergent human diseases have been identified. These include avian influenza, West

Biology
1 answer:
Snezhnost [94]3 years ago
8 0

Answer:

2 per year

Explanation:

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Scientists group materials together ________ it is easier to compare and study them that way
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The provided question is incomplete, the correct and complete question is as follows:

Choose the answer that best completes the sentence below.

Scientists group materials together ____________ it is easier to compare and study them that way.

A however

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Answer:

The correct answer is - option D because.

Explanation:

Researcher and scientists tries to group material together on their similarities and difference to one another which makes it easier to study and compare various type of materials.

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Thus, the correct answer is - option D.

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When getting a vaccination, which substance is
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