I think the answer is letter b. multivitamins. As what I have read about supplements it include vitamins and minerals and substances which come from a natural source. And also because of this substances it helps the human body maintain its well-being.
It takes resources when there are more animals it takes more food then when you run out of food you will have to buy more which you will run out of money its all about money without money animals will starve.
Your answer is takes resources.
Calories indicate and measure the energy available in food. Protein each contain 4 calories per gram.
You never gave option choices so here's my best
<span>Sterilisation is considered a permanent method of birth control that a man or woman may choose. Although sterilisation, or a tubal ligation, for women and vasectomy for men can sometimes be reversed, the surgery is much more complicated than the original procedure and may not be successful.
Hope I helped :)</span>