The answer is 12
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Answer:
4. The weight of the air above that location.
Explanation:
According to Hydrostatics, the pressure is directly proportional to fluid density, gravitational constant and height of the fluid column. That is to say:

Hence, the correct answer is option 4.
 
        
             
        
        
        
Today, vocational identity often takes Years to<span> establish, and most work demands very specific skills that cannot be learned except on the job.
For example, when you're learning to be a lawyer, you could easily learn all the things about laws and regulations through your book. But, you could only learn how to handle judges and read the mood of the Juries only by experiencing it over and over again
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The correct answer is True
Explanation: Anti-drug campaign ads are equally effective at influencing public opinion and changing offender behavior.