Outline how fresh water could be extracted from salt water if fresh water was no longer available.

You can boil the salt water. The water will evaporate while the salt will be left behind because it's a solid. Salt has a much higher boiling point than water (2,575° F), so that's why it won't evaporate with the water.

Access to water and sanitation are recognized by the United Nations as human rights, reflecting the fundamental nature of these basics in every person's life. ... People are rights-holders and States are duty-bearers of providing water and sanitation services It states that clean drinking water and sanitation are “essential to the realization of all human rights,” which demonstrates how the UN recognizes that access to an adequate supply of clean drinking water is the very bedrock .

Explanation:

a. they are both space stations

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