What is the definition of a water injection well?

An injection well is a device that places fluid deep underground into porous rock formations, such as sandstone or limestone, or into or below the shallow soil layer. The fluid may be water, wastewater, brine, or water mixed with industrial chemical waste.

Explanation:

the europeans in the caribbean colonies had to turn to africans to replace the native peoples as slave it would be letter a

because the center-south is called the heart of the country