Why is nitrogen fixation such an important step in the nitrogen cycle?

question 7 options:

bacteria convert the fixed nitrogen back into n2.

soil nitrogen is different.

decomposers need to use nh4+.

plants can't use nitrogen in the form of n2.

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

What is the volume occupied by 10.0 dm3 of gas at standard pressure after it has been compressedat constant temputure to 500.0 kpa?

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.