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zepelin [54]
3 years ago
8

Which of the following is a mixture of substances?

Chemistry
1 answer:
Stels [109]3 years ago
7 0

Answer:

the answer is c

b/c contain more than one element

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Answer:

C. It is hard to recreate the extremely high temperatures and pressures found inside stars.

Explanation:

Nuclear fusion occurs when atomic nuclei are forcefully combined to create a new atomic nuclei or subatomic particles. In nature, this process takes place in our Sun and other stars. Within stars, extremely high temperatures and pressures are achieved and cause nuclear fusion to occur. Humans have not yet been successful in recreating the environment necessary to mimic this process.

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Why do the planets keep orbiting the sun
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What are the coefficients of this chemical equation?
777dan777 [17]

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3 years ago
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A female bear leaves her bear cubs in their den to go out in search of food. She travels one mile in 30 minutes, heading east. S
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Answer:

Points of acceleration:

1. When female bear goes quickly

2. After becoming tired, when she becomes slow

3. When she changes direction from east to north

4.When she slows down when she reaches the river bed

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6.When she increases speed to travel southwest to return home

7. When she comes to a stop at home

Explanation:

1. When she is going quickly she is increasing her velocity thus positively accelerating

2. When she becomes slow, she is having negative acceleration.

3. When there is a change in direction of velocity there is an acceleration.

4. Again negative acceleration when she comes to a stop at the river bed

5. Turning around to the southwest direction requires acceleration

6. To increase the velocity to reach home, positive acceleration

7. To decrease the velocity to stop upon reaching home, negative acceleration

8 0
3 years ago
A sample of a substance has a mass of 4.2 grams and a volume of 6 milliliters. The density of this substance BLANK) ( grams/mill
elena55 [62]

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