The united states experienced a rapidgrowth of its population of in the early 1900s. which of the following factors did not contribute to this rapid population growth?

c. movement because i took the test and it lets me review my answers

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.