The answer is A. When the baby yawns, the baby is not experiencing stress.
Answer:
Option C
Explanation:
BMI stands for "Body Mass Index" or option C. BMI is basically a way to tell a person if he or she is underweight, normal weight, or overweight. In order to calculate BMI you need the persons height and weight and use the formula. Which involves exponents and dividing the persons mass and weight to tell if that person is overweight.

Hope this helps.
Options 1 and 3 are matched correctly, the rest are inaccurate or absurd statements.
Pink eye. Inflammation of the conjunctica would result in the terrible pink eye. Treatment would be eyedrops.
Danger would become present when you are to put a great amount of strain on your body.