Why is the limitation on supplies of freshwater becoming an increasing problem despite the fact that we have desalination technologies? a) Desalination is expensive.
b) Desalination takes too long.
c) Desalination is not well understood.
d) Desalination creates too much waste salt.

answer: the rate of diffusion increases with increase in temperature.

increase in temperature, increases the molecular/particles speed (kinetic energy. diffusion means movement of particles through the material.

generally, the heavier the particle the more it interacts with the environment and more the temperature matters. so higher temperature results in higher diffusion.

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year

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