Coal. -from my dad lol ill check
Flu<span>, </span>hepatitis A<span>, </span>hepatitis B<span>, </span>chickenpox<span>, </span>herpes zoster<span> (</span>shingles<span>), </span><span>cancer</span>
Among these options, the one which is the broadest group used to classify organisms is D. class.
Although it is not the broadest group ever phylum and kingdom are above it), it is the broadest one here.
Answer: equilibrium phenomenon
Explanation: