Which factor was the most important in affecting paleolithic humans’ lives?

health

climate

floods

group size

The climate mostly affected

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.   

It true it will they want do take care headache, belly pain