Which of the following is a possible consequence of ozone layer depletion on living organisms? a. increased exposure to ground-level ozone b. decreased levels of ultraviolet radiation in the troposphere c. increased levels of ultraviolet radiation absorption in the stratosphere d. none of the above

A is the correct answer.

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explanation:

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.