When exercising the muscles in one's back, it is important, in order to maintain a healthy back, to exercise the musc...

Jerome on June 22, 2020

The Necessary?

I fail to understand what the "necessary" part is and by extension how that is reflected in the answers. Could someone kindly help me with this?

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Emil-Kunkin on March 23, 2023

As a necessary assumption question, this is asking us which answer choice must be true if the argument is to make sense.