<span>Nitrogen fixation
This process creates organic compounds, including ammonium, that contribute to the growth of a plant in much the way fertilizer does. Many plants have evolved to facilitate nitrogen fixing bacteria in their roots as to promote production of these organic compounds when the soil quality is poor or lacking in these bacteria.</span>
D fossil fuels are non renewable
Answer:why is it that in cold winters a tub of water placed in a farmer's canning cellar helps prevent canned food from freezing? the continual release of energy by the freezing water keeps the temperature of the cellar from going below 0°C.
Hope it helps! ^w^
Isotonic: same concentration
Hyper: more concentration
Hypo: less concentration
