The correct answer would be, Inference, considering the definition of the word is, a conclusion reached the basis of evidence and reasoning.
It's called an <span>Autobiography :)</span>
The event now known as “the voyage of the Beagle” comprises Charles Darwin’s circumnavigation as ship’s naturalist on the second of three surveying voyages by H.M.S. Beagle<span>; the writings published as his first book, the </span>Journal of Researches<span>; and the genesis of his theory of evolution by natural selection. Writing between regimes of world-knowledge, Darwin mediates scientific observation through the language of aesthetics, and seeks to understand the convergence of disparate scales of geological and human history.</span>
<span>The correct answer is A. the results of a scientific study would be the most effective evidence. Thoughts and opinions are not valid for scientific studies because they are based on emotions and personal values. Ethics also have a problematic effect on science because values and morals are often different from society to society.</span>
It means to be embarrassed in a social event or situation.