What characteristics should the student use to identify an ecosystem?

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.

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

japan is the correct anwser because i already took the test and i passed it