Charles Darwin was never a _ student but a what

it would be the percentage of food eaten by the flock

i remember doing this lab

a physical change is being made.

i might be wrong but i think its a. let me know if i’m right and have a good rest of your day!

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.