What is the most effective birth control pill? what is the least? can you get birth control without a parent’s convent if you are 16!

How do nicotine and tobacco cause cancer? by decreasing blood-sugar levels by damaging or changing a cell's dna by increasing heart rate by increasing phlegm and mucous production

What does fi stand for in the fitt-vp principle of exercise prescription?

What angle should your knees not bend past when squatting? a. 30 degrees b. 45 degrees c. 90 degrees d. 120 degrees