What does nitrogen fixation mean in nitrogen cycle?

A. atmospheric nitrogen को usable form में बदलना / Changing atmospheric nitrogen into usable form

Step 1: Identify nutrient cycle process. Step 2: Nitrogen fixation changes atmospheric nitrogen into usable compounds like ammonia. Step 3: Remember nitrogen fixation equals making usable nitrogen.

Step 1: nutrient cycle process पहचानें। Step 2: Nitrogen fixation atmosphere की nitrogen को ammonia जैसे usable compounds में बदलता है। Step 3: Nitrogen fixation equals usable nitrogen बनाना याद रखें।