Answer:
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.
Explanation:
in a city it may be red / green lights ( for circulation )
Answer:
Economic growth measures the annual increase in GDP, GNP, GDP per capita, or GNP per capita. Inequality of wealth is the gap in income between a country's richest and poorest people.Explanation:
On the earth’s crust. B is your answer
