Answer:
In addition to dinitrogen, other inorganic and organic forms exist in the soil as well. It makes up 78 percent of the atmosphere but <u>cannot be used by plants. </u>It is taken into the soil by bacteria, some algae, lightning, and other means.
Explanation:
Answer:
A sharp, ringing sound made by the collision of sonorous (especially metallic) bodies.
<span>He will experience a gradual drop in his testosterone levels as he ages. This will cause a lowered amount of energy and could cause a slight gain in weight. In addition, he may experience fatigue, a loss of body hair, and a general decrease in his strength.</span>
<h2>Blood is forced upward and toward</h2>
Explanation:
- In the cardiovascular cycle, the autonomous withdrawal and unwinding of heart cells are facilitated through the movement of the heart's characteristic conduction framework and by cell-to-cell correspondence by means of the hole intersections in the myocardial cells themselves.
- The natural conduction arrangement of the heart comprises of nodal tissue, whose specific cells have both apprehensive and solid qualities. Nodal tissue is restricted in explicit areas of the heart.
C)set maximum contaminant levels for pollutants in drinking water
