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zhannawk [14.2K]
4 years ago
7

Discuss any two current processes that can be used to ensure that there is enough clean water

Physics
1 answer:
Tanzania [10]4 years ago
3 0
Two current processes that is used in ensuring that there is enough clean water is maintaining environmental sanitation in communities in which will help promote cleanliness and orderliness and another thing, having people to be educated with cleanliness and proper waste disposal as this will contribute to making the water clean and maintain it that way.
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Find the color of light whose photon has 4.75x10^-19 J of energy
shepuryov [24]

Answer:

Explanation:

Energy, E = 4.75 x 10^-19 J

Energy, E = hc/λ

where, λ is the wavelength, h be the Plank's constant and c be the velocity of light.

h = 6.63 x 10^-34 Js

c = 3 x 10^8 m/s

λ = (6.63 x 10^-34 x 3 x 10^8) / (4.75 x 10^-19)

λ = 418.73 nm

So, the colour of light should be violet.

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blagie [28]
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4 years ago
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Which of the following is an example of the law of conservation of energy?
Mashutka [201]

Answer:

turning lights of when you aren't using them

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Write a question about how changing temperature affects gas
Lera25 [3.4K]

Answer:

"How does the volume of a gas kept at constant pressure change as its temperature is increased?"

Explanation:

One possible question can be:

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V\propto T

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