What is always used to find a cordinate

Hello!

The answer is: Grids are used to find coordinates (Latitude and longitude coordinates).

Why?

Grids are used to find coordinates, it means to find latitude and longitude coordinates. Latitude and longitude help to find the object's positions on earth.

Latitude is a measurement on a map, going from the North to the South, at the opposite side, longitude is a measurement on a map, which goes from the East to the West of the prime meridian at Greenwich.

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The primarily goals of the zapatistas of mexico in 1994 were land reform and redistribution. it is also included in their demands to have a greater political and cultural autonomy for the indigenous people of chiapas and the rest of mexico.

Answer decreased soil salinity;