It is the rate that someone eats. “metabol” is the suffix for stomach, digestion etc the rate of which someone consumes
The answer is washing vegetables
a disease in which there is a severe loss of the body's cellular immunity, greatly lowering the resistance to infection and malignancy. HIV can be spread through any type of unprotected inter course, if one of the partners has the virus. This can happen when body fluids such as semen, vaginal fluids, or blood from an infected person get into the body of someone who is not infected.
"Measuring the angle at which a gymnast’s body bends during an aerial flip" is the one data-gathering activity among the choices given in the question that would be useful for a biomechanics analysis. The correct option among all the options that are given in the question is the fourth option or the last optional.