Question

without filter how the water is safe in olden days​

Answer 1

Answer:

• In ancient times, people actually built sand filtration columns.
• As the water slowly trickled through the column, it cleaned the water.
• When using soil or sand as a filter, particles that might be bad for you get stuck in the little gaps, or pores.
• This small stuff gets trapped as the water continues to flow down.

Explanation:

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Answer 2

In ancient times, people actually built sand filtration columns. As the water slowly trickled through the column, it cleaned the water. When using soil or sand as a filter, particles that might be bad for you get stuck in the little gaps, or pores. This small stuff gets trapped as the water continues to flow down.

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#Hope it helps u