I think it is natural selection. genetic variation also could be a factor for physical variation over the years.
Answer:
nternal factors that affect decision making include attitude, emotions, and ethics. Attitude is how you react when faced with making a decision. It is best to have a positive attitude because it often helps one see more options as well as make decision making easier.
Explanation:
Antigens are any molecules that elicit adaptive immune response. Antigens protrude from pathogens or other intruding substances. Antibodies are proteins found in blood plasma that attach to one particular kind of antigen and help to counter its effects.
That she wanted to help with these kind of people? is this what you are looking for?
It only takes a few seconds to kick in.
