![subject](/tpl/images/cats/biologiya.png)
Sarah learns that a certain group of people living far from a
city need to find a solution for filtering their drinking water.
They want to build their own filter using common materials.
They do not want to purchase technologies from outside of
their region because of the expense of transporting the filters
long distances.
Which filter design would be BEST for the needs of this group
of people and why?
![ansver](/tpl/images/cats/User.png)
Answers: 2
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Sarah learns that a certain group of people living far from a
city need to find a solution for filt...
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