Answer:
Dopamine
Explanation:
It's not adrenaline since that's the flight or fight chemical your body releases in cases of danger and meth has nothing to do with it.
It's not THC since that's the chemical in marijuana that gives you the dopamine rush, which is unrelated to meth
It's not Hormones, this one just doesn't make sense.
The normal force(the force pushing up from a flat surface) is equal to the force of gravity (the force pushing down on the object) at 5N so they cancel each other out. The other two forces are going in opposite directions, one positive and one negative. Subtracting 10N-5N would give you the amount of force that is not canceled (5N) in the direction of the biggest force (to the left)
Teen mothers suffer from depression at higher rates than older mothers do.