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2 years ago

Why does an oil-and-vinegar salad dressing have two separate layers?

1 answer:

4 0

This is because no matter how hard you try to shake or combine the oil and vinegar together, they eventually separate. This happens because vinegar and oil are made of very different types of molecules that are attracted to their own kind.

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The chief advantage of the metric system over other systems of measurement is that it ____.

OlgaM077 [116]

The chief advantage of the metric system over other systems of measurement is that it B. is in multiples of 10.

This can be seen in the picture below that shows the prefixes of the metric system.

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2 years ago

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1.) What are the two broad categories that elements can be divided into?

hoa [83]

Answer:

1) Metals and nonmentals

2) Elements: Oxygen ( $O_{2} \\$ ) , Nitrogen ( $N_{2}$

3) Compounds: Carbon Dioxide $CO_{2}$ , Methane $CH_{4}$ , Nitrogen Dioxide $NO_{2}$

Explanation:

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2 years ago

What functions of cells can be affected by a mutation?

Colt1911 [192]

It changes the rate of growth that cells usually undergo.

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2 years ago

Proteins contain a. oxygen b. nitrogen c. hydrogen

seraphim [82]

Answer:

All of the above

Explanation:

Proteins contain a long chain of amino acids which are a chain of oxygen, nitrogen, carbon, hydrogen or sulfur.

HOPE THIS HELPED

7 0

2 years ago

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What is the molecular formula for water?

Alexxandr [17]

Answer:

H2O

Explanation:

There are 2 hydrogen atoms and 1 oxygen atom

5 0

1 year ago

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