Water loss that is difficult to detect and measure is called: sensible perspiration, insensible perspiration, negative water balance or diuresis

The correct answer is : Insensible perspiration

It's the water that evaporate from your body before it is perceived as moisture on the skin, usually happened inside your lungs

Since the water is gone inside your lungs, it will be very difficult for you to feel and measure it

1. b vitamins2. vitamin k3. vitamin d4. examples are walnuts, seeds, tofu5.  total fat, saturated fat, trans fat, cholesterol, sodium, total carbohydrate, dietary fiber, sugars, protein, vitamin a, vitamin c, calcium, and iron.6. 11257. they have to contain reliable information8. less than 10%  9. i didnt read the course so im not surehope that : p