Question

1 What percent of the air is nitrogen?
2. Why is nitrogen sentinto life
3. How do plants and animals get nitrogen if not from the atmosphere!
4. What are nitrogen fixing bacteris? What are some examples of nitrogen fixing bacteria?
5. What is ammonification? What is a major reservoir for ammonia?
6. What are the two steps in nitrification? Do all plants need nitrogen to be in nitrate form in order
to ab orb and it?
7. Why do hervores need nitrogen?
6. What is denitrification? Which organisms are responsible for denitrification?​

Answer 1

Answer:

nitrogen makes 78.3 percent of the air