<span>It is letter B. Primary sources are direct records of a subject while auxiliary sources are any record of something that isn't an essential source. Distributed research, daily paper articles, and other media are normal optional sources. Secondary sources can, nonetheless, refer to both essential sources and auxiliary sources.</span>
The answer is B. Because synonym means the same. So they only word there that has the same meaning as insensitive is inconsiderate.
Answer:
d
Explanation:
because if they are scientifically proven they are more likely right
