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Korolek [52]
3 years ago
10

CFCs have been largely replaced with HFCs in refrigerators and in home and

Advanced Placement (AP)
1 answer:
elixir [45]3 years ago
8 0

Answer: A. II and III only

Explanation:

Ozone molecules get depleted as the stratosphere is warmed up. This means that the increased presence of HFCs will cause the ozone to continue to be depleted as its molecules are being destroyed by the higher temperatures.

HFCs also lead to accelerated global warming as they trap more heat than carbon dioxide which means that they prevent more heat from being released into space but rather keep them in the planet thereby increasing temperatures/ global warming.

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How do the constitutional amendments limit the Supreme Court’s power?
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<u>Answer:</u>

Supreme court is the guardian of the constitution however, through constitutional amendment, the constitution can be altered or changed.  

<u>Explanation:</u>

Due to the rigidity of  US constitution only,27 amendment could be carried till now. First constitutional amendment was ratified during the year 1791 granting the rights to religion, speech, assembly etc. This was one among the first ten amendment which were called the bill of rights.  

This process of amending the constitution is very long and complicated. It requires the special majority. This is done to uphold the rigid nature of the constitution.

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3 years ago
What would be some of the drawbacks of having the victims of crime, rather than the state (through its public officials), prosec
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4 years ago
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With a half life of 28.8 years, how long will it take 1g of strontium-90 to decay to 250 mg
soldier1979 [14.2K]

The time it takes for 1g of strontium-90 to decay to 250 mg is; 57.6 years

<h3>What is the half life of an element?</h3>

The formula for half life is;

A(t) = A₀ * (¹/₂)^(t/t_1/2)

Where;

A(t) is amount left after t years

A₀  the initial quantity of the substance that will undergo decay;

t_1/2 is the half-life of the decaying quantity.

We are given;

t_1/2 = 28.8 years

A₀ = 1 g

A(t) = 250 mg = 0.25 g

Thus;

0.25 = 1 *  (¹/₂)^(t/28.8)

log 0.25 = (t/28.8) log (1/2)

-0.60206 = (t/28.8) * -0.3010

t = 2 * 28.8

t = 57.6 years

Read more about half life at; brainly.com/question/11152793

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Which of the following best explains how an analog audio signal is typically represented by a computer?
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Answer:B

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