X-rays are not used on pregnant women because can cause birth defects?

  when we experience conflict, it threatens our needs to feel

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?

How much money is wasted on fraudulent health products each year in the us