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Amanda [17]
3 years ago
15

If a solid contain some particles that amount and 50°C and other particles amount mount at 110°C what must be true about the sol

id?
Biology
1 answer:
mina [271]3 years ago
4 0

Answer: The solid is a mixture

Explanation:

Here's the complete question:

If a solid contains some particles that melt at 50°C and other particles that melt at 110°C, what must be true about the solid?

A. The solid is an element.

B. The solid is a mixture.

C. The solid is a pure substance.

D. The solid has three boiling points.

It should be noted that an element consist of an atom but in this scenario, there are different particles that also have different melting points. Therefore, it's not an element, but rather a mixture.

Also, the solid in this case is not a pure substance and doesn't have three boiling points.

Therefore, the correct option is B.

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Answer:

The correct answer is a) It brings a transport liquid into close contact with all cells in the body.

Explanation:

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In this case, the missing words indicate:

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  • The RER is required for the production and secretion of different hormones and proteins.

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brainly.com/question/8010049?referrer=searchResults

8 0
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When conducting an experiment, which of the following is generally true?
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Answer:

B. Performing a larger number of experimental trials makes the results more dependable.

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