What causes personality disorders?

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?

During polarizacion potassium has a blank charge sodium has a blank charge and calcium has a blank charge

Which is one purpose of creating federal laws and policies for tobacco use? to people stop using tobacco products to implement health events aimed at fighting tobacco use to monitor the trends in tobacco use across demographics to reduce the amount of money spent on tobacco products