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Inessa05 [86]
3 years ago
6

Refrigerator technology now makes it possible to grow and then store food for the winter, as well as ship large amounts of food

long distances. How has refrigerator technology changed society? A. Refrigerator technology has helped improve people’s nutrition. B. Refrigerator technology has helped people travel faster. C. Refrigerator technology has allowed people to work throughout the summer. D. Refrigerator technology has helped farmers grow more types of food.
Chemistry
1 answer:
Alecsey [184]3 years ago
5 0

Answer: A. Refrigerator technology has helped improve people’s nutrition.

Explanation:

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Valentin [98]

<u>Answer:</u> The correct answer is Option 2.

<u>Explanation:</u>

Centripetal force is defined as the force that acts on a body moving in a circular path and is directed towards the center around which the body is moving.

Mathematically,

F_c=\frac{mv^2}{r}

Where,

F_c = centripetal force

m = mass of the object

v = tangential velocity

r = radius of the path

From the above relation, X corresponds to the radius and Y corresponds to the tangential velocity.

Hence, the correct answer is option C.

3 0
3 years ago
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A hot metal plate at 150°C has been placed in air at room temperature. Which event would most likely take place over the next fe
Inga [223]

Answer:

The air molecules that are surrounding the metal will speed up, and the molecules in the metal will slow down.

Explanation:

As molecules heat they begin to move faster. The heat from the metal plate will make the molecules at room temperature move faster. And the room temperature makes the hot place cool, making the hot plate molecules slow down.

To visualize this, you can use this link

https://phet.colorado.edu/en/simulations/gas-properties

click the play button to activate the activity

7 0
2 years ago
Of these non-metals which one is likely to be least reactive
natulia [17]

Answer:

the answer is the swecond option

Explanation:

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4 years ago
Why is it important to collect all data during experiments, rather than make inferences of what will happen?
Paraphin [41]

Answer:

It is important to collect all data first, or else your guesses could purely be the opposite of the right answer. If you make inferences of what might happen, your guesses may be purely fictional, and totally off-topic. During experiments, this step is important.

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4 years ago
How do molecules move in gas
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They become fast that they don't touch each other

Explanation:

That's it sorry that I can't help any further

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3 years ago
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