Which of these is not an effective way to gauge the level at which your body is working during exercise? a) perspirationb) heart ratec) talk testd) thirst

A) perspiration

Explanation:

Perspiration is not a particularly effective way of gauging the level at which your body is working during exercise. This is because perspiration depends on various different factors. For example, you might perspire a lot when the weather is really hot, even if you are not exercising. Therefore, perspiration should not be taken as the only measure of the level at which your body is working.

i believe the answer is true