The answer is B. Carbon Dioxide
Carbon Dioxide produced by all aerobic Organism, It's created after we done processing Oxygen and Carbohydrates into energy.
Carbon dioxide is not fully useless. A lot of industries using Carbon Dioxide as it's main material. One of the example is It's used to make a fire extinguisher
I don’t know so I can’t help you
Awnser:
Waiter/Waitress can verbally list ingredients in dish.
The liver stores a multitude of substances, including glucose, vitamin A, vitamin D<span />, vitamin B12,vitamin K, iron, and copper.