Diana has just completed a reaction that had a chemical change. Which two changes could be evidence of this change?
O color and odor
O color and shape
O odor and density
O shape and density

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.

the answer u all are looking for is 4000000000000000000000 million years.