Which of the following is the best method to estimate a 1-oz. serving size of nuts? a. one bowlful b. one handful c. one rounded handful d. one thumb's worth

 one handful (Option B)

Explanation: One thing to always look at it is your portion sizes in order to have a healthy lifestyle because if you eat a whole bag of nuts and you think it’s healthy then that’s where the issue might be.

If you are having nuts the best way to measure is by having a handful of nuts to incorporate in your diet

If you are having meat or protein measure it with the palm of your hand i.e. 3 ounces

Oil is measured by the tip of your thumb, it’s the ideal amount, of oil (that’s one tablespoon)

For complex carbohydrates, they are going to be measured by the bottom portion of your hands  

i think your answer is a. coordination