What is water preservation and why do we need it?

1 answer:

6 0

We cannot live without water. Saving water helps to preserve our environment. It reduces the energy required to process and deliver water, which helps in reducing pollution and in conserving fuel resources. Saving water now means having water available in the future for recreational purposes, too.

Fresh, clean water is a limited resource. While most of the planet is covered in water, it is salt water that can only be consumed by humans and other species after undergoing desalination, which is an expensive process.

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Process of Science: Explaining the Motions of Planets. To ancient astronomers, the motions of the Sun, the Moon, and the stars s

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Answer:

Geocentric Model: - this model is Earth Centered

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Heliocentric Model: - This model is Sun Centered

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Both models:- Epicycles and deferents help explain planetary motion

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Explanation:

Retrograde motion is an apparent change in the movement of the planet through the sky. Ptolemy's model of the solar systems was geocentric, where the Sun, Moon, planets and start all orbit the Earth in perfectly circular orbits. However this perfectly circular orbits around the Earth did not explain the occasional retrograde motion of the planets. In the Copernicus' heliocentric model, retrograde motion of planets is naturally explained. The explanation for retrograde motion in a heliocentric model is that retrograde occurs roughly when a faster moving planet catches up to and passes a slower moving planet.

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Answer:

I would measure the scope to see how long, wide it is

Explanation:

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Explanation:

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The correct answer is D. Pooling of unusually warm water in the eastern tropical Pacific.

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