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Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

Ahowler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 4.6 km. assume the acoustic output of a howler to be uniform in all directions and that the threshold of hearing is 1.0 × 10-12 w/m2. what is the acoustic power emitted by the howler

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f