LEARNING TASK 5 Identify the term being described. Choose your answer from the box below. 1. It is the most abundant gas in the atmosphere. 2. It is a process that converts nitrogen to ammonia and nitrate. 3. It converts nitrogen to ammonium. 4. It is process that converts ammonia in soil back to nitrate. 5. It breakdown ammonium to individual hydrogen and nitrogen gases. Nitrogen Nitrogen-fixation Bacteria Denitrification Nitrogen-fixing Denitrifying bacteria​