Bioenergetics is the study of how energy flows through organisms and biological systems in bioenergetics, net energy is the difference between the amount of energy invested in a process and the amount of energy the process adds to the organism or system. Which activity will leave a bear with a positive net energy?
A dimbing
B. hibernating
Ceating a fish
D. digging a den

explanation:

yes you are doing it right great gob

i think the answer is b.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

the answer you are looking for is the united states forest service.

hope this !