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Anastaziya [24]
2 years ago
10

A cloud forms around 45Á south latitude and is carried through the atmosphere on the Westerlies, as shown below. As the water mo

lecules in the cloud move through the atmosphere, which step in the water cycle is most likely to happen next?
The molecules cool and eventually condense.
The molecules break apart and eventually evaporate.
The molecules heat up and eventually rise as water vapor.
The molecules combine and eventually fall as precipitation.
Chemistry
2 answers:
Molodets [167]2 years ago
3 0
Answer: fourth option: The molecules combine and eventually fall as precipitation.

In the cloud water is in the form of tiny, tiny drops. As the cloud gain more drops they will get in contact with each other, and due to the surface tension of water the drops will form bigger drops until the weight is too much and the drops fall as precipitation.
Gnesinka [82]2 years ago
3 0

Answer:

the answer is

The molecules combine and eventually fall as precipitation.

Explanation:

I took the test :v

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D. Sometimes it is necessary to put forth new theories to explain  experimental results,

Explanation:

Creativity is important to science because sometimes, it is necessary to put forth new theories to explain experimental results.

Theories are explanation of scientific observations.

  • Most scientists are critical and creative thinkers.
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3 years ago
Suppose that you take 200 mg of an antibiotic every 8 hr. The​ half-life of the drug is 8 hr​ (the time it takes for half of the
DochEvi [55]

Answer:

600 mg

Explanation:

The initial amount of the drug = 200 mg

The half-life of the drug = 8 hrs

It means that:-

After 6 hours, the concentration becomes :- \frac{200}{2} mg

After 12 hours, the concentration becomes :- \frac{200}{4} mg

After 18 hours, the concentration becomes :- \frac{200}{8} mg

And so on...

Thus,

After infinite time = 200+\frac{200}{2}+\frac{200}{4}+\frac{200}{8}+..

Thus,

After infinite time = 200\times (1+\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+..)

The sum of the infinite series is:- 1+\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+.. = \frac{1}{1+\frac{1}{2}}=2

So,

<u>After infinite time = 200\times 2 mg = 600 mg</u>

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