Compare the types of survivorship curves you would expect to find in human populations in industrialized countries with good health care versus African countries with a high mortality rate from HIV.

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.

what is the statement?

maybe because its impossible for balloons to lift a whole entire house.