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Arte-miy333 [17]
3 years ago
5

A watershed is the land that water flows across or through on its way to a stream, lake, wetland, or other body of water. What i

s the main factor that can negatively affect water quality in a watershed?
A.
damming of rivers
B.
amount of precipitation
C.
pollution
D.
level of the water table
Chemistry
1 answer:
horsena [70]3 years ago
7 0
D. level of the water table

hope its helps

<span>"too much water can cause raging floods and flush pollutants and soil into rivers and streams"
</span>the statement i got the answer from
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An atom of sodium can transfer its one valence electron to an atom of
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In order to gain one pound of body weight, the average person must consume 3500 more calories
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Answer:

<em>17500 calories</em> of chocolate bars are needed to eat to gain 5 pounds.

Explanation:

We can use ratios to calculate the answer using the information given in the question.

1 pound : 3500 grams

5 pounds : x grams

As it is given that the individual is burning no calories, we do not have to factor in any additional numbers.

<u><em>Method</em><em> </em><em>A</em><em>:</em></u>

To go from 1 in the first ratio to 5 in the second ratio, they multipled 1 by 5. Hence, to go from 3500 in the first ratio to x in the second ratio, we must multiply by 5.

x = 3500 × 5

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<em><u>Method B</u>:</em>

To solve for the answer x, we can convert the ratios into fractions.

1 / 5 = 3500 / x

3500 / x = 1 / 5

To make x the subject, multiply the denominator of the left fraction with the numerator of the right fraction and place it on the left side. Then multiply the numerator of the left fraction with the denominator of the right fraction and place it on the right side.

x = 5 × 3500

x = 17500

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3 years ago
In a laboratory investigation, an HCl(aq) solution with a pH value of 2 is used to determine the molarity of a KOH(aq) solution.
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