Question

A researcher is trying to design an experiment to measure the amount of energy a person uses during different activities. He proposes to measure heart rate as an indirect measure of metabolic rate. Which of the following would give him a more precise measure of energy use?

Comparing the amount of sugar released in the urine before and after the activity

Measuring the amount of carbon dioxide released from the lungs during the activity

Monitoring the number of calories voluntarily consumed following the activity

Tracking the increase in sweat production over the course of the activi

Answer 1

I believe that this could be either B or D, I'm just not sure what exactly it is

Answer 2

@MALCOLMA19

Answer 3

@ganeshie8

Answer 4

I'm pretty sure its D but you might wanna do some research just to be safe

Answer 5

Okay, thank you

Answer 6

No Problem