Nitrogen Fixation: Root and Bacteria Interactions. Nitrogen is an important macronutrient because it is part of nucleic acids and proteins. ... The most important source of BNF is the symbiotic interaction between soil bacteria and legume plants, including many crops important to humans.
Answer:
The nervous system transmits signals between the brain and the rest of the body, including internal organs. In this way, the nervous system's activity controls the ability to move, breathe, see, think, and more. The basic unit of the nervous system is a nerve cell, or neuron.
Explanation:
I hope this helps! :) if it does could you please mark me brainliest?
<span>dirty, contaminated, </span><span>polluted, unclean, </span><span>unsanitary, <span>unsterile.</span></span>
