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Questions and Answers
Which four elements make up more than 96% of the mass of living matter?
Which four elements make up more than 96% of the mass of living matter?
- Carbon, Nitrogen, Sulphur, Potassium
- Carbon, Phosphorus, Calcium, Sulphur
- Carbon, Hydrogen, Oxygen, Nitrogen (correct)
- Carbon, Hydrogen, Oxygen, Iron
Which elements make up most of the remaining 4% of the mass of living matter?
Which elements make up most of the remaining 4% of the mass of living matter?
- Iron, Calcium, Sulphur, Phosphorus
- Iron, Nitrogen, Oxygen, Phosphorus
- Carbon, Hydrogen, Oxygen, Nitrogen
- Phosphorus, Calcium, Sulphur, Potassium (correct)
What is the Bohr-Rutherford Model of the Atom?
What is the Bohr-Rutherford Model of the Atom?
- A model of the atom that shows electrons moving randomly throughout the atom
- A model of the atom that shows neutrons orbiting around the nucleus
- A model of the atom that shows electrons orbiting around the nucleus (correct)
- A model of the atom that shows protons orbiting around the nucleus
Which of the following correctly describes the circulatory system in vertebrates?
Which of the following correctly describes the circulatory system in vertebrates?
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What is the difference between systemic circulation and pulmonary circulation?
What is the difference between systemic circulation and pulmonary circulation?
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What is the meaning of the term 'vascular system'?
What is the meaning of the term 'vascular system'?
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