6. If the time period were extended to 6 hours, what would be the expected blood sugar level for Person B?

According to the graph, the blood sugar level for person B is 130 mg/dL after 6 hours of eating meal.

The blood sugar level is highest just after eating the meal but with the passage of time, the concentration of blood sugar level decreases due to absorption by the body. One hour after eating the meal, the blood glucose level is slightly decreases but after 6 hours, the blood glucose level tends to very low due to more consumption of the body or storing by the body in different parts.

from the original order (top to bottom) the new order will go

1 (founder)

4 (hawk)

2 (mutate)

3 (next generation)

i'd say that the moon rock is about 2.2 billion years old.