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3 years ago

How might human activities change to compensate for a decrease in water supplies?

Chemistry

2 answers:

Andrew [12]3 years ago

8 0

Humans might extract more water from the ground

Julli [10]3 years ago

5 0

Answer: Humans might extract more water from the ground.

Explanation:

Humans may face the situations of unavailability of water supply. Majority of the human population is dependent upon the source of water like oceans, lakes, rivers, ponds and wells for their water supply.

But in the scarcity of water from the drainage supply by the water body human population should search for a relevant alternative such as groundwater. Groundwater is the underground reservoir of water. The water in the groundwater reservoir accumulates from the sources such as rainfall, snow melting, river and oceanic water.

Humans should search for groundwater reservoir for compensating the scarcity of water.

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Answer:

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3 years ago

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lana66690 [7]

Answer/Explanation:

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3 years ago

What mass of water must be added to 5g of nacl to make 5% mass persentage of the solution?

Vitek1552 [10]

Answer:-

95 grams

Explanation:-

Let the mass of water to be added be M

So total mass = 5 + M

So 5% of this solution has 5g of NaCl by mass.

∴ (M+5) x (5/100) = 5

M+5 = 5 x 100/5

M+5=100

M= 100-5

So amount of water to be added is 95 gram

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3 years ago

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jok3333 [9.3K]

B. Element, molecule, compound, mixture

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3 years ago

Is the relationship between mass and volume direct or inverse

Ugo [173]

<span>As pressure increases, so does density. (A direct relationship). Inversely, as temperature increases, density decreases because of increasing volume.

so your answer is DIRECT

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</span>

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3 years ago