im thinking its a chemical change cause a new substance is formed
The nitrogen in the air cannot be used by producers and consumers. It must be fixed or converted by bacteria in the ground into a useable form for plants called nitrates. Some plants called legumes (beans and clover) actually have bacteria in their roots.
Diabetescan result in an immunodeficiency disorder because white blood cells do not function well when the blood sugar level is high<span>. Human immunodeficiency virus (HIV) infection results in acquired immunodeficiency syndrome (AIDS), the most common severe acquired immunodeficiency disorder.</span>