Statement C - "An abundance of oil allowed humans to concentrate on other power technologies" is not true.
<u>Explanation:</u>
It can be stated that the given statement is contrary to the truth. An abundance of oil has actually halted the human's search for a sustainable alternative power technology to a great extent.
In fact, human dependency on oil has grown to such an extent, that the world economy is partially governed by availability and scarcity of oil.