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pshichka [43]
4 years ago
15

Which example is nonpoint-source pollution?

Chemistry
1 answer:
lesantik [10]4 years ago
3 0
First off, what is nonpoint-source pollution?

It comes from many sources BUT this type of pollution doesn't come from factories discharging their waster, nor sewage pipes, nor smokestack emissions; but rather it comes from rainfall or snow-melt moving through and over the ground. Taking away natural and human-made pollutants.

This being said, the answer, is A. Polluted Rainwater.
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The comparison of the number of atoms in a copper coin the size of a penny with the number of people on Earth is used to
Igoryamba

Answer:

Probably it was ment to illustrate how significant and indivisible, being very small, atoms are and how each of them under normal conditions of presure and temperature find their own place eventually

6 0
4 years ago
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Which of these are associated with the solar wind? Check all that apply.
WINSTONCH [101]

Answer:

Disrupts communication systems

Composed of charged particles

travels at about 400 km/s

8 0
3 years ago
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If 14.5 g of MnO4- (permanganate) react with manganese (II) hydroxide how many grams of manganese (IV) oxide will be produced? T
Veronika [31]

Answer:

m_{MnO_2}=21.2gMnO_2

Explanation:

Hello,

In this case, given the balanced reaction:

2MnO_4^-+2Mn(OH)_2\rightarrow 4MnO_2+2OH^-+H_2O

We can see a 2:4 mole ration between permanganate ion (118.9 g/mol) and manganese (IV) oxide (86.9 g/mol), that is why the resulting mas of this last one turns out:

m_{MnO_2}=14.5gMnO_4^-*\frac{1molMnO_4^-}{118.9gMnO_4^-}*\frac{4MnO_2}{2molMnO_4^-}  *\frac{86.9gMnO_2}{1molMnO_2} \\\\m_{MnO_2}=21.2gMnO_2

Best regards.

5 0
4 years ago
Why do plants cells Need chloroplast? put it in your own words
pentagon [3]

Answer:

I hope this helps u out a bit its my own words

Explanation:

Plant cells use chloroplast as kind of an extra mitochondria in a plant cell. They work together, when a chloroplast gets food through photosynthesis the mitochondria breaks down that food and distributes it through the cell.

3 0
4 years ago
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Petroleum is a mixture of hydrocarbons. It is separated into useful fractions by fractional distillation.
Hunter-Best [27]

Explanation:

Fractional distillation is used to separate crude oil into simpler, more useful mixtures . This method can be used because different hydrocarbons have different boiling points

Hope this help u

3 0
3 years ago
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