Why is population called dynamic thing​

What would happen if you ate the number of calories of someone who is much taller and more active than you are?

What are possible signs and symptoms of drug addiction? check all that apply. declining physical appearance and health failing to meet family, school, or work obligations needing less and less of a drug to get the same effect using drugs when there is no health benefit failing in attempts to stop using a drug stealing to get drugs

What is the name of the device that senses the current flowing,tripping the circut,and cutting off the electricity