What are two new features that would benefit astronauts?

Question

What are two new features that would benefit astronauts?

Water, Coffee, Eating, and Sleeping, are new features that will benefit astronauts.

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affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.