<span>A disease that is new in the human population is known as Pandemic.
It covers a large area , maybe some continents or entire world.
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Virus and bacteria are the suedes that cause it
There are three major classes of macronutrients: carbohydrates, lipids, and proteins. All three of these nutrients are needed in relatively large amounts AND they contain Calories (note the capital C which indicates kilocalories) which can be "burned" in your body to create energy for your body
