Answer:
method of measuring weight involves comparing a person's weight and height is <em>body</em><em> </em><em>mass</em><em> </em><em>index</em><em>.</em><em>.</em><em>(</em><em> </em><em>BMI</em><em>)</em>
Answer:
refraction
Explanation:
refraction happens when a wave passes from one medium to another at an angle
A carrier could be a person that is infected with a disease and agent but doesn't show any symptoms of it. there is a genetic carrier which is a person or an organism that inherited a trait or mutation through genetics but doesn't show any symptoms