This is an improvement in the well-being of human beings

Preservation of ecosystems.

Explanation:

The preservation of ecosystems provides better well-being for humans, because this preservation provides a cleaner and purer environment, allowing humans to have good access to quality natural resources such as high air quality and availability of adequate food, which allows a better coexistence and a less stressful environment, promoting a high level of well-being.

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.

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pesticide