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Questions and Answers
Which elements are the most common in the human body?
Which elements are the most common in the human body?
- Oxygen, Carbon, Hydrogen, Nitrogen
- Carbon, Hydrogen, Oxygen & Nitrogen (correct)
- Calcium, Magnesium, Iron, Chlorine
- Sulphur, Phosphorous, Sodium, Potassium
What distinguishes organic compounds from inorganic compounds?
What distinguishes organic compounds from inorganic compounds?
- Organic compounds have more elements than inorganic compounds
- Inorganic compounds contain Carbon; organic compounds do not
- Organic compounds contain Carbon; inorganic compounds do not (correct)
- Inorganic compounds have more forms than organic compounds
Which element is NOT listed as one of the most common elements in the human body?
Which element is NOT listed as one of the most common elements in the human body?
- Hydrogen
- Oxygen
- Sodium (correct)
- Carbon
What type of compounds build up the living body?
What type of compounds build up the living body?
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What percentage of the human body is composed of Carbon according to diagram 1.1?
What percentage of the human body is composed of Carbon according to diagram 1.1?
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How are biological molecules classified?
How are biological molecules classified?
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