Oxygen Atoms Are Used to Make Water Molecules

question 36

Multiple Choice

Oxygen atoms are used to make water molecules. Does this mean that oxygen, O₂, and water, H₂O, have similar properties?

• A)Yes, and this explains how fish are able to breathe water.
• B)Yes, but that their properties are similar is only a coincidence.
• C)No, but their similar properties are only a coincidence.
• D)No, compounds are uniquely different from the elements from which they're made.

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The quantity of goods and services produced, adjusted for inflation, reflecting the actual productivity of an economy.

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The total Gross Domestic Product of a country divided by its population, indicating the average economic output per person.

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The average income earned per person in a given area or country, calculated by dividing the total income by the population size.