Answer:
Symbiotic soil microbes convert nitrogen gas to a form that the plants can use (NH4+ or NO3-)
Answer:
The natural resources management aim at saving the natural resources for the future generations without depriving the demand of the present generations.
This kind of modeling is known as (D) simulation. A computer program is used to simulate an environment, in this case, the zoo. Instead of having to do an actual experiment which harms real animals, a simulation is done to cut costs and avoid using live samples.
The answer is gelatin. Correct me if im wrong.. Since gelatin consist of the elements Carbon, Hydrogen, Nitrogen and Oxygen. (same as the protein elements.) [biuret test is used to test the presence of amino acids]
