Carbohydrates are vital for life on Earth and perform a range of functions such as providing energy, structural support and cellular communication. All life on Earth requires carbohydrates. The most important role of carbohydrates is as a source of energy. The chemical energy in sugars is the main source of energy for most living things.<span>
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Answer:
Each of these things — along with every other organism on Earth — contains the molecular instructions for life, called deoxyribonucleic acid or DNA
Explanation:
D. Would be the correct answer.
