The inability to start a pregnancy after having unprotected vaginal intercourse for more than a year or the inability to stay pregnant for the length of a normal pregnancy. which term does it define

Can you get chlamydia from sleeping in the same bed

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?

Which diseases are drug abusers particularly susceptible to