Roger explains to his sister the importance of water in cell processes. He describes the chemical structure of water to her. Which of the following claims about water can be supported by evidence?
Water is an element.
Water is a molecule because it contains carbon.
Water is a molecule because it is made up of two different elements.
Water is a molecule because it is made up of two or more atoms chemically combined.
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Roger explains to his sister the importance of water in cell processes. He describes the chemical st...
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