No , it didn't increase cases of addiction.
I'm not sure what the options are for an answer but based on what I remember from my ENTO class, it would be secondary myiasis.
Answer:
Because it is a vector quantity, it has a direction too such that derived unit is made up of two or more fundamental units. That is mere and second. That is why it is called as a derived unit as its unit is metres per second.
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