Name the element that along with its compounds has been most useful to man to reach the present stag...........

General Science (Easy) Chemistry

Name the element that (along with its compounds) has been most useful to man to reach the present stage of civilization. Some of its compounds are coal, pencil-lead, petroleum, etc.

carbon

hydrogen

nitrogen

oxygen

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Explanation:

- Carbon is truly the backbone of modern civilization. Its compounds, like coal and petroleum, have powered the industrial revolution and continue to fuel our transportation and energy sectors. Pencil lead, actually graphite, has been an essential tool for communication and education.

- Hydrogen is a fundamental element in the universe, used in water production and various industrial applications, but not as transformative as Carbon in civilization history.

- Nitrogen is crucial for agriculture, as a component of fertilizers, but it doesn't match the wide-ranging use of Carbon compounds.

- Oxygen is vital for life and combustion but hasn't single-handedly propelled civilization.

- Correct Answer: Carbon