.. Any substance<span>that the body regards as being foreign. antigen-antibody </span>reaction<span>. Involves the binding of antigens to antibodies; also known as the immune </span>reaction<span>.</span>
Iwe can because of the help of Carlus Linneaus and Aristotle who classified living organusm in to groups as follows:
taxonomy and binomial
Answer:
Intervention study
Explanation:
An intervention study is a type of controlled clinical trial in which an intervention is applied to a group of people and the outcome is compared to a similar group without the intervention. An example of this type of study is shown in the question above, where a margarine which vegetable ingredients (which is the intervention) will be given to a group of people, so that their blood cholesterol levels are compared to the cholesterol levels of a group of people who didn't use this margarine.
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