In order to prevent or detect cervical cancer early, all girls and women should have three years after they begin having intercourse, or at age 21, regardless of sexual activity

The shift of a vehicle's weight around its center of gravity is known as

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

Crossing over is a method of (blank)?