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Sergio [31]
3 years ago
7

The hole in the ozone layer can lead to increases in skin cancer. a. True b. False

Chemistry
2 answers:
Reptile [31]3 years ago
8 0

Answer : The correct option is, (a) true

Explanation :

Ozone layer : It is a layer which is present in the stratosphere region. Ozone layer is the layer which absorbs more amount of the ultraviolet rays which is the more harmful rays for us. That means ozone layer protect us from the harmful rays (UV rays). Ultraviolet rays causes the skin cancer. When the ultraviolet rays reaches directly to the earth, it cause many type of diseases.

When the hole in the ozone layer then it can lead to increases in skin cancer.

Hence, the given statement is true.

Likurg_2 [28]3 years ago
6 0
A. True. The ozone layer is very critical to our health.
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sveticcg [70]

Answer:

0.32M

Explanation:

<u>Step 1:</u>  Balance the reaction

K2CO3 + Ba(NO3)2 ⇔ KNO3 + BaCO3

We have a 20 mL 0.2 M K2CO3 and a 30mL 0.4M Ba(NO3)2 solution

SinceK2CO3 is the limiting reactant, there will remain Ba(NO3)2 after it's consumed and produced KNO3 + BaCO3

<u>Step 2: </u>Calculate concentration

To find the concentration of the barium cation we use the following equation:

Concentration = moles of the <u>solute</u> / volumen of the <u>solution</u>

<u />

<u>[Ba2+] </u> = (20 * 10^-3 * 0.2M + 30 * 10^-3 * 0.4M) / ( 20 + 30mL) *10^-3

[Ba2+] = 0.32 M

The concentration of Barium ion in solution is 0.32 M

6 0
3 years ago
As the frequency of a wave increases, what happens to the energy the wave is carrying?
Vedmedyk [2.9K]

Answer:

It increases

Explanation:

7 0
2 years ago
What is the slope of the line?
pychu [463]

Answer:

The slope of the line is -\frac{10}{7}.

Explanation:

The slope of the line (m) is the change in dependent variable (y) divided by the change in independent variable (x):

m = \frac{y_{f}-y_{o}}{x_{f}-x_{o}} (1)

If we know that (x_{o}, y_{o}) = (0, 2) and (x_{f}, y_{f}) = (1.4, 0), then the slope of the line is:

m = \frac{0-2}{1.4-0}

m = -\frac{10}{7}

The slope of the line is -\frac{10}{7}.

3 0
2 years ago
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Maksim231197 [3]
It uses elimination againLet A be 15% juice and B is 5% juice
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A+B = 1015A + 5B = 110
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3 years ago
Which of the following gases is the most abundant in a volcanic eruption?
expeople1 [14]

Option C: Sulfur Dioxide is the answer  

Hope this helps

8 0
3 years ago
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