Each of the following is a density-dependent limiting factor EXCEPT: - crowding
- predation
- competition
- disease

predation

Explanation:

predation

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rocks and weathering-matching

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.