The first thing that the law enforcement personnel look for is the PFD or Personel Floatation Device, the emergency kill switch that must wear around the wrist in case you fall off or wipe-out, and the PWC registration numbers must also be visible.
Answer:
c. focus on the effects of only one change at a time.
Explanation:
An economic model is a theoretical<em> (mathematical or not) </em>construct used to explain or make predictions about economic behavior, its goal is to <em>simplify complex processes</em> to understand economic issues. <em>It uses variables to study an specific change at a time.</em>
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Answer:
c I think hope this helps
Explanation: