Why is food important for the human body? Mention 4 main purposes.

Your body needs food to obtain energy, to get building blocks for your body, and to get substances that help control body processes. Nutrients, chemicals in food that your body needs, include carbohydrates, proteins, lipids, vitamins, and minerals.

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you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

the answer is c.) there is a warm front in region a and a stationary front in region b.