Answer:
Inorganic fertilizers are not entirely composed of the nutrients needed by the plants. It also contains salts and other compounds. These are not absorbed by the plants so they are left behind in the soil and build up over time.
<u>Answer:</u>
<em>Paul Ehrlich brought to focus the problem of environmental Pollution and the Climate change, the argument that is responsible for the world’s environmental problems.</em>
<u>Explanation:</u>
<em>Paul Ehrlich</em> stated that we are unprepared to face the effects of the environmental problems. The environmental problem has arisen due to the over consumption of the<em> resources according to Ehrlich. </em>
According to him we have already released enough <em>amount of poisonous substances</em> in the environment which affects our human tissue in a bad way. Ehrlich states that fate of humanity is going to collapse if the activities of <em>exploitation of environment</em> is left unchecked.
Blood typing is important in the blood transfusion.
Losing too much blood will result in death. The easiest way to prevent death by loss of blood would be doing a blood transfusion. Blood transfusion is injecting blood from other people to a patient that losing too much blood.
Human has antigen in their blood that can be recognized as a foreign object and get attacked. If you give someone a blood that has similar antigen which he has, the blood will not be recognized as foreign material. But if you do, the antigen in the blood will induce hypersensitivity reaction.
