Answer :
Answer: evaluating
Explanation: Evaluating means to systematically determine somethings merits and significance, including the seriousness or gravity of a problem.
The activity that relates to judging the seriousness or gravity of a given problem is: B.evalution.
What is evaluation?
Evaluation is the act of analyzing a matter or situation to arrive at different conclusions about it.
So, when judging the seriousness or gravity of a problem, those looking into the matter are evaluating.
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