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Answer:
Goverment can pass laws regulating the use of water for certain things like for their lawn or garden. Or they could encourage people to flush the toilet less.
Explanation:
This would reduce the use of water because a lot of water is used for these unnecessary things.
Answer:
The heat equation can be written as. ∂ u ∂ t = α ∇ 2 u. where u(x, y, t) is the temperature field that varies in space and time, and α is the thermal diffusivity constant.