The first one is false
<span>b. An emergency operations plan.</span>
I believe the answer is: <span>the average years of schooling each person receives
From knowing the average years of schooling that people have before graduation, we could make a rough assumption on the academic ability that average students in a certain area have, and the socio-economic factors that might cause it.</span>
The most obvious reason is that one has to pack up and go because things are not so good at home. Long ago, that probably meant that the climate had changed and made life impossible. It might have become too hot or too cold or too wet, which in turn would have affected not only quality of life but also make survival a shaky proposition. Drought, flood, and temperature changes could certainly push people to move on.
I hope that helped a little.
False, You should never slam on your breaks it is bad for both you and the car. often causing the car to lose control or spin I believe.