Answer:
d) correlational research
Explanation:
Because of the number of people in this study, researches have enough evidence for settle a relation among helping in different situations.
Correlational studies, are used in psychology to relate two or more variables. In this case, how is the behavior or disponibility of men and women in front of different events like helping animals, people in street, people in danger, etc.
True. Lactic acid is caused by strenuous exercise. The lactic acid is formed because while working out, you don't receive as much oxygen.
Chronic strains are caused by B. Improper lifting.
