Answer:
Option (4).
Explanation:
Hypersensitivity may be defined as the hyper immune response of the body. Hypersensitive is also known as hyper sensitive reaction that may be uncomfortable and harmful for the individual.
Type IV hypersensitive reaction is also known as delayed type of hypersensitivity that are generally mediated by T cells. Hemolytic disease of new born is an example of Type II hypersensitive reaction and not related to Type IV hypersensitive reaction.
Thus, the correct answer is option (4).
Answer:
soil erosion has been a major cause of soil degradation in north carolina for many years .it affects water quality physically,chemically and biological.damage from sediment is expensive,both economically and environmentally.
Explanation:
because the environmental damage from sediment is often cumulative,the ultimate affects and the consequences of off-site sedimentation can be severe,both for people immediately affected and those who must cope with subsequent problems.
Answer:
false
Explanation:
Fire extinguishers, emergency showers and eye wash stations are basic safety elements that must be present in all laboratories, regardless of their classification. This is because these are essential elements for common accidents in laboratories and can be easily solved with their presence.