Why do you think a small surface area to volume ratio would cause a problem?

The important point is that the surface area to the volume ratio gets smaller as the cell gets larger.

i believe you meant to say air rather than hair so the answer is below ")

the dead sea, the lowest place on earth at 430 metres (1,410 ft) below sea level, has a correspondingly high typical atmospheric pressure of 1065 hpa.

answer; i believe the correct answer is ( proteins );