Answer:to establish biological factors
Explanation:Biological factors are useful and crucial in explaning variations that exist between groups who may share the similar environment which may give an explanation of why some individuals are thin while others are obese Biological factors refers to things like genetic influence ,hormone levels , nutrition and gender.
Answer:
In response, we developed an approach we call the "five C's of historical thinking." The concepts of change over time, causality, context, complexity, and contingency, we believe, together describe the shared foundations of our discipline.
Explanation:
Answer:
population , regions , river