On a 2000 calorie diet if you cut your sugar intake to 10% below your daily sugar intake be

Less than 10%.

Explanation: the US dietary guidelines advise people to limit their intake to less than 10% of their daily calorie intake. For a person eating 2,000 calories per day, this would equal 50 grams of sugar, or about 12.5 teaspoons ( 8 ). If you are healthy, lean and active, these seem like reasonable amounts.

Your answer is  d.)relationship between pressure and air volume and led to the understanding of how respiration works