Help please I'm on the 3rd room of the escape room science worksheet and I'm still struggling (also please don't ask me to download any obvious shady files for an answer cause I think that's breaking the T. O.S on Thank you!

9. 100%

10. c

11. 75%

12.75%

Explanation:

The big letter is dominant so it is always going to take over the small letter.

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.