Question

open - ended question provide 2 ways humans interfere or add nitrogen to the nitrogen cycle. type your answer here rewatch

Explanation:

1. Fertilizer use: Synthetic fertilizers are rich in nitrogen compounds like ammonium nitrate. When applied in agriculture, they release nitrogen into the soil and water systems.
2. Combustion of fossil fuels: Burning of coal, oil, and gas in power - plants, vehicles etc. releases nitrogen oxides (NOx) into the atmosphere. These compounds can then participate in chemical reactions and enter the nitrogen cycle.

Answer:

1. Use of synthetic fertilizers in agriculture.
2. Combustion of fossil fuels.