Answer:
Nitrogen fixation by bacteria
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Answer: D. autoethnography
Explanation: According to Maréchal (2010), "autoethnography is a structure or technique of research which involves self-perception and reflexive investigation with regards to ethnographic field work and writing". Frances is assigned the autoethnography research method because she was to use her experiences from the meal she participated in, her thoughts and feeling about the family event to write her project.
Organized labor, or trade union, is an organisation of workers which has as its aim to fight for and improve the workers' rights. <span>Out of the 4 options only D. National Education Association is an organisation of workers- this is the correct answer. </span>
The other organisations don't work for workers' rights, but instead for environment protection (C), the right to keep arms (A) and B is a media network.