Which environmental change played a key role in making human survival easier and bringing about the neolithic age?

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.

yes!

explanation:

because it has a type of fat that can make you extremely sick

condenser is used to focus in the light microscope.

answeranovulation;