Heavy vehicles offer a safety advantage in collisions.

Heavy vehicles offer a safety advantage in two vehicle collisions.  When the two objects in different masses collide with each other, it is usually the object with higher mass that will receive little damage than the object with lesser mass.  So, the heavier the vehicle, the safer it is in the two vehicle collision. 

cognitive activities are mental processes through which we make sense of the world around us or get to know or experience our environment (internal and external). examples of cognitive activities are reasoning, thinking, perceiving, decision-making, listening, observing,etc.

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