CO2 Concentration Increase
Atmospheric concentrations of carbon dioxide have increased by what percentage above pre-industrial levels since 1750?
- 10 per cent
- 21 per cent
- 31 per cent — Correct Answer
- 51 per cent
Explanation:
Correct Answer Explanation
Atmospheric concentrations of carbon dioxide have increased by 31 per cent above pre-industrial levels since 1750.
Key Points:
- CH₄ (methane) has increased by 149 per cent.
- These gases have the potential to absorb heat.
- This has led to a temperature rise of 1.1°F (0.6°C) in the past century.
- Sea level has risen several inches.
Why Other Options Are Wrong
- A, B, D: The correct figure is 31 per cent increase.
📚 About this Topic — CH-7: ENVIRONMENT AND SUSTAINABLE DEVELOPMENT
This multiple choice question is from CH-7: ENVIRONMENT AND SUSTAINABLE DEVELOPMENT, Indian Economic Development, NCERT Books. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from CH-7: ENVIRONMENT AND SUSTAINABLE DEVELOPMENT to strengthen your preparation.
