Answer:
People not having to work to feed themselves for the earth provided food in abundance.
Explanation:
There are no true statements on that list at all.
A geography can help us prepare for cities
Physical Geography is the answer.
<span>Wegener proposed the continental drift theory, and provided scientific evidences for such, but couldn't explain the mechanism or processes behind the movement of continents. It wasn't until the mid-twentieth century with the discovery of the Mid-Atlantic Ridge that the processes causing plate movements began to be understood and led to the science of plate tectonics. </span>
