Answer:
These bacteria convert gaseous nitrogen into nitrates or nitrites as part of their metabolism, and the resulting products are released into the environment.
Natural air pollution comes from those known as wild fires, and volcanic smoke. If you wonder why well it's because of the smoke it contains and produces. Smoke is one of our biggest air pollution and it contaminates our atmosphere.
I'll provide pictures of natural air pollution..
Note:
These pictures don't belong to me.
I hope this helps.
One is immune system.
I think the statement given above is true. <span>Crossing over percentages are converted to map units that indicate the physical distance between two genes on a chromosome. Hope this answers the question. Have a nice day.</span>