Answer:
reason for studying human genetics is that it gives us a powerful tool for understanding and describing human evolution. At one time, data from physical anthropology (including information about skin color, body build, and facial traits) were the only source of information available to scholars interested in tracing human evolutionary history. Today, however, researchers have a wealth of genetic data, including molecular data, to call upon in their work.
Answer:9:3:3:1
Explanation: Just took the test!
Leafs do photosythesis because leafs absorb blue and red light and reflect green just an aditional fact for ya
