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Carbon and Its Components

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Questions and Answers

What is the atomic number of carbon?

6 (correct)

What is the primary greenhouse gas released from the burning of carbon-based fuels?

Nitrogen

Oxygen

Carbon dioxide (correct)

Methane

Which of the following is a common allotrope of carbon?

Sulfur

Graphite (correct)

Hydrogen

Oxygen

What is the chemical formula of carbon dioxide?

CO2 Signup and view all the answers

What happens when carbon dioxide dissolves in water?

It forms carbonate and mainly bicarbonate (HCO−3) Signup and view all the answers

What is the primary carbon source for life on Earth?

Atmospheric CO2 Signup and view all the answers

What is the current concentration of carbon dioxide in Earth's atmosphere?

421 parts per million (ppm) Signup and view all the answers

What is the primary cause of increased CO2 concentrations in the atmosphere?

Burning fossil fuels Signup and view all the answers