Problems dating too young

The simplest form of isotopic age computation involves substituting three measurements into an equation of four variables, and solving for the fourth.

The equation is the one which describes radioactive decay: If one of these assumptions has been violated, the simple computation above yields an incorrect age.

Consider some molten rock in which isotopes and elements are distributed in a reasonably homogeneous manner.

Being part of a couple can alter your teen's social status at school.He might feel like he's not popular unless he's with his girlfriend, or a girl could be given an "easy" label because she dates a lot.Unfortunately, social status means almost everything to a teenager, so when his social status is raised or lowered because of his relationship, he'll experience an artificial boost in self-confidence, or feel badly about himself because of his status.Talking to your teenager about how to say no and when to leave a situation can help her understand when she is being pressured.The Guttmacher Institute notes that nearly half of American teens are sexually active, and too often this is the result of pressure.

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