Imagine you do a an experiment to find out how soil moisture affects seedling growth and you plant seeds in soils with 3 different moisture values. what is your independent variable?
*number of seeds
*soil moisture
*number of soil types

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.