How are barrier and hormonal methods of contraception similar? They both are less than 100% effective in preventing pregnancy.

They both prevent pregnancy and STDs.

They both alter a man’s sperm production.

They both alter a women’s uterine lining.

What surgery do you have to get for endometriosis and does it hurt.

Match each disease with the body system it affects

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?