Question

What is nitrogen fixation? What does it mean for something to be fixated?

Answer 1

answer is given in another question link http://socratic.org/questions/what-is-nitrogen-fixation-what-does-it-mean-for-something-to-be-fixated#157461

Answer 2

Nitrogen fixation is a process in which atmospheric nitrogen `N_2` is converted into `NH_4^+` or `NO_2`.

Explanation:

There are different organisms ,which help in this process, like bacteria examples include Rhizobia , Frankia. Normally, when a plant dies, the Nitrogen in the plant gets released into the environment in various forms which can be used by other plants.

the following figure will explain the nitrogen fixation better
nitrogen fixation in brief
![https://useruploads.socratic.org/iV6GpGRzSSSkGMee5iVO_nitrogenfixation.jpg)

fixationcan be defined as a process by which anything which is converted from its inert form (unusable form) to another form which is more readily available for a use by living organisms.