Which question can be answered by an experiment?
-))
A)
Do sugar substitutes cause cancer?
B)
Did an ice age kill off the mastodons?
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What caused the extinction of the dinosaurs?
D)
Are all people susceptible to the Hunta virus?

answer; /// i believe the correct answer is (thrombocytopenia); (a)

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.