Respiration is the
A) breakdown of water and carbon dioxide to their respective elements
B) breakdown of carbohydrates with oxygen to form water and carbon dioxide
C) conversion of carbon dioxide to oxygen and coke, a pure form of carbon
D) conversion of ozone to O2
Correct Answer:
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Q4: Hydrogen is one of the most common
Q5: Limestone is a very compressed form of
A)Carbon
Q6: Modern farmers usually use nitrogen fertilizers which
Q7: Nitrogen fixation is the process that converts
A)atmospheric
Q8: Photosynthesis is the process by which
A) carbohydrates
Q10: Select the true statement.
A)Nitrogen gas and oxygen
Q11: The average time that an atom of
Q12: The compartments of our planet are
A)hydrosphere, lithosphere,
Q13: The geosphere of our planet is composed
Q14: The only significant way oxygen (O2) enters
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