Averages in human sizes are performed by each country. This is due to diet and ancestral conditions varying widely between countries. From each country's average a species average can be determined.
Vampire diet.
Feeding / caring for animals (for human consumption) uses almost 50% of the US's daily water supply and 80% of agricultural land to graze or produce feed.
The answer depends on what the limiting factor is: budget? balanced diet? good health?The answer is "none", if they want a healthy diet; or "any number" if they can afford and are happy to eat over-processed foods.
one person probably just a couple ounces... 85.04 grams but for the whole human population... 85 grams x 6.2 billion 527 petagrams
Carbon is the element that is essential in the human diet and for plant growth. Carbon is the basis for life.
The average human produces about 0.5 to 1.5 liters of saliva per day. This amount can vary based on factors such as hydration levels, diet, and overall health. Saliva plays a crucial role in digestion, oral hygiene, and maintaining the health of the oral cavity.
No.
Absolutely not.
Appearance (by surgery or diet and exercise).
Gold is present, in minute amounts, in the human diet. It does not serve any significant known function in the human body, however.
The average IQ for an adult human is 100.