Question

What is filtering? Give an example of how this might take place in a city.

Answer 1

filtering is the action of separating elements using a filter, that is to say, literally, a material only allows certain elements to pass. example: a colander.

Step-by-step explanation:

Answer 2

filtering is the action of separating elements using a filter, that is to say, literally, a material only allows certain elements to pass. example: a colander.

Step-by-step explanation:

in a city it may be red / green lights ( for circulation )