How does the construction of dams positively affect natural resources?

1 answer:

3 0

Answer:

a)by providing water for irrigation and restoring trees to areas where forests once existed

Explanation:

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artcher [175]

The best answer is D..

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Charra [1.4K]

C. Will cause sea levels to fall

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Katyanochek1 [597]

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golgi apparatus

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the golgi apparatus packages molecules to leave the call

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vaieri [72.5K]

Answer:

biosphere is the answer

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kogti [31]

Answer:

Explanation:

Given that,

Mass of solute = 8 g

Mass of soultion, (mass of alloy) = 100 g

We need to find the percent by mass of 8.0g copper is added to enough zinc to produce 100g an alloy. It can be calculated by the formula as follows :

$\text{Mass}\%=\dfrac{\text{Mass of solute}}{\text{Mass of solution}}\times 100\\\\=\dfrac{8}{100}\times 100\\\\=8\%$

So, the percent by mass is 8%.

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1 year ago