Which of the following methods is least effective for measuring body fat?
a. the bod pod
b. underwater weighing
c. bmi index
d. bioelectrical impedance

The answer is C. BMI Index

BMI index only compare your body mass with your height. It doesn't tell you how much body fat you got.

It only used to determined whether you are under weight, normal weight, or overweight, regardless or the amount of body fat you have

The freezing point of the ice is lowered because of the rock salt which then allows the ice to observe heat from the ice cream mixture without it melting.

This is true! hope this : ))