Answer:
These bacteria convert gaseous nitrogen into nitrates or nitrites as part of their metabolism, and the resulting products are released into the environment.
His experiment with his swan. Expedia flask disproved spontaneous generation in that broth was left open to air yet no life grew in the broth, the neck design of the flash trapped all possible contaminates. This broth today is still sterile despite sitting in a museum for decades.
A. I believe
sorry if wrong <333
I think the correct answer is A
