The majority of mass in living things come from 6 elements. from the options below select 4 elements that are most commonly found in a living things. a.) sodium b.) sulfur c.) nitrogen d.) chlorine e.) potassium

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the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.