If more energy is leaving a system than entering it, there is a(n):

a) lack of change in energy

b) net energy gain

c) net energy loss

d) energy flatline

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

here is your answer hope i .