Answer:
you answered the question you asked your self lol
The average speed of an object is defined as the distance traveled divided by the time elapsed. Velocity is a vector quantity, and average velocity can be defined as the displacement divided by the time.
The last option would be correct
Answer:
The number of repetitive gene sequences (such as for example, microsatellite sequences) is used as a molecular marker to determine genealogical relationships between organisms.
Explanation:
It is likely that the department can accurately identify genealogical relationships among organisms by using these molecular markers