Coal-fired power plants release emissions such as nitrogen compounds into the air. The nitrogen and water cycle combine when nitrogen returns to the soil as acid rain through which water cycle process?

Precipitation

Explanation:

Precipitation refers to the falling of the condensed form of water vapor as a result of gravity. The given excerpt presents the process of precipitation of Nitrogen along with the water vapor. The nitrogen gets mixed along with the water vapor and returns to the soil. This process of returning after passing through the process of condensation is termed to be precipitation.

vascular tissue transports materials from the environment into the plant.