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Ipatiy [6.2K]
2 years ago
14

What is the ozone hole and how does it affect humans?

Chemistry
2 answers:
Misha Larkins [42]2 years ago
8 0
A region of marked thinning of the ozone layer in high latitudes, chiefly in winter, attributed to the chemical action of chlorofluorcarbons and other atmospheric pollutants. The resulting increase in ultraviolet light at ground level gives rise to an increased risk of skin cancer
denis-greek [22]2 years ago
6 0

Answer:

Ozone layer depletion causes increased UV radiation levels at the Earth's surface, which is damaging to human health. Negative effects include increases in certain types of skin cancers, eye cataracts and immune deficiency disorders.

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Which word doesn't belong?<br> period, group, family, eighteen
vampirchik [111]

Answer:

eighteen

Explanation:

7 0
3 years ago
Citric acid (C6H8O7) is a triprotic acid (It has 3 protons that can dissociate when dissolved) found naturally in lemon juice, a
Gnesinka [82]

<u>Answer:</u> The molarity of citric acid that is commercially available lemon juice is 0.416 M

<u>Explanation:</u>

To calculate the concentration of acid, we use the equation given by neutralization reaction:

n_1M_1V_1=n_2M_2V_2

where,

n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of acid which is C_6H_8O_7

n_2,M_2\text{ and }V_2 are the n-factor, molarity and volume of base which is NaOH.

We are given:

n_1=3\\M_1=?M\\V_1=20.00mL\\n_2=1\\M_2=1.751M\\V_2=14.26mL

Putting values in above equation, we get:

3\times M_1\times 20.00=1\times 1.751\times 14.26\\\\M_1=\frac{1\times 1.751\times 14.26}{3\times 20.00}=0.416M

Hence, the molarity of citric acid that is commercially available lemon juice is 0.416 M

4 0
2 years ago
Wsp im fisdes once again hiiiii
Diano4ka-milaya [45]

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heyyyyy

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6 0
3 years ago
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What is the use of a pedigree chart? Please do not answer wat a perigee chart is!.
FinnZ [79.3K]
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3 years ago
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