I think the most involved would be your circular system because since your running fast you need to pump blood. Your muscular system because your moving a lot and your respiratory system because you need more oxygen
When all forces acting on the object are in the same direction
Answer: One of the bonds was sold at face value while another was sold below face value.
Explanation: I took the quick check
It can potentially wipe out the population of a certain colour of butterfly.
Answer:
Autumn Equinox
Explanation:
The autumn equinox is the first day of the autumn season and occurs when the sun passes the equator moving from the northern to the southern hemisphere
Hope this helps! good luck! keep it up!