Answer :
Final answer:
Darren is likely using tongs to move a beaker to avoid direct contact with hot, reactive, or hazardous contents, which is a common safety practice in laboratory settings.
Explanation:
If Darren is using tongs to carefully lift and move a beaker, it is most likely that something in the beaker is either hot, reactive, or hazardous. In a laboratory setting, using tongs is a common safety practice to prevent burns or injuries from chemicals. Before moving the beaker with tongs, Darren might have heated the substance inside the beaker or the content may contain chemicals that are harmful if touched directly. Therefore, using tongs serves as a protective measure to prevent any direct contact with the dangerous substances while allowing precise handling of the beaker.
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