Answer: Hypersensitivity reaction is a condition in which the normally protective immune system has a harmful effect on the body. It involves harmful immune response following sensitization and subsequent antigen contact. Type IV such as contact dermatitis reactions are delayed and cell-mediated and are the only hypersensitivity reaction that involves sensitized T lymphocytes rather than antibodies.
Answer:
the coronavirus affected different things like the stores,restaurants,football,basketball,schools and ect.
Explanation:
I would say the best answer is B. Asking the learner to begin working on a problem.
B <span>when a person is on life support and doctors decide to stop life support
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