Instructions
Read the following passage and answer the two questions that follow.
And that has to do with the question of uncertainty and doubt. A scientist is never certain. We all know that. We know that all our statements are approximate statements with different degrees of certainty; that when a statement is made, the question is not whether it is true or false but rather how likely it is to be true or false. We must discuss each question within the uncertainties that are allowed. And as evidence grows it increases the probability perhaps that some idea is right or decreases it. But it never makes absolutely certain one way or the other. Now, we have found that this is of paramount importance in order to progress. We absolutely must leave room for doubt or there is no progress and there is no learning. There is no learning without having to pose a question. And a question requires doubt. People search for certainty. But there is no certainty. People are terrified- how can you live and not know? It is not odd at all. You only think you know as a matter of fact. And most of your actions are based on incomplete knowledge and you really don’t know what it is all about or what the purpose of the world is or know a great deal of other things. It is possible to live and not know.
Question 22.
What does the author BEST mean when he says, “We must discuss each question within the uncertainties that are allowed?”
Question Explanation
"We must discuss each question within the uncertainties that are allowed. And as evidence grows it increases the probability perhaps that some idea is right or decreases it. But it never makes absolutely certain one way or the other"
From the above lines, the author wants us to be open to accepting errors while answering the questions. With every piece of evidence, the probability of the veracity of the answer will either increase or decrease.
Thus, the correct answer is C.
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