The answer is A. Man-made
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Answer:</h2>
The reasoning used is <u>inductive reasoning</u>.
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Explanation:</h2>
The type of reasoning where the examples are used to derive conclusion it is called as inductive reasoning. The end is the theory or plausible. This implies the end is the piece of thinking that inductive thinking is attempting to demonstrate. Inductive thinking is likewise alluded to as 'circumstances and logical results thinking' or 'base up thinking' since it looks to demonstrate an end first. This is normally gotten from explicit occasions to build up a general end.
As the given examples quotes many examples of desert and then derives conclusion out of it, this is considered as example of inductive reasoning.
Well, that is true. That technique has been used to identify the radioactive decays in minerals to date back to when they were formed.
