Is anyone horn y today im 16 and feeling horn y

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

The substances that are necessary for producing of certain hormones and that store and transport vitamins

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.