Answer:wdym insulation if u mean like covering than the ppls heads
Explanation:
Malleus, incus, and stapes, respectively, and collectively, as "middle ear ossicles<span>".</span>
Answer:

Explanation:
Pressure at the bottom of the building and at the top of the building must be related as



now we will have




now we have


Answer:
I'm pretty sure it's all of them i'm not completely sure though hope it helps anyways! :)