the bar graph below shows the number of species in four pond ecosystems. based on this information which ecosystem is likely to be the most stable

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.

bru what tyep of qus is dis

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.