The killifish is described as having tolerance to pollutants, Is this a good thing or a bad thing? Explain

good

Explanation:

having a tolerance to pollution means that the killfish can tolerate a certain mounts of pollution, so it won't be affected unless there is like a ton of pollution surrounding it

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.