Why is carbon dioxide considered a major greenhouse gas?
Answer and explanation
Correct answer: It absorbs outgoing infrared radiation and affects the long-term energy balance
Carbon dioxide absorbs infrared radiation emitted by Earth’s surface and re-emits some energy, thereby influencing the planet’s radiative balance. Its importance also comes from its long atmospheric lifetime and large emissions from fossil-fuel burning, cement production and land-use change. It does not completely reflect sunlight or alter seawater salinity.
Frequently asked questions
What is the correct answer to this question?
It absorbs outgoing infrared radiation and affects the long-term energy balance
Why is this the correct answer?
Carbon dioxide absorbs infrared radiation emitted by Earth’s surface and re-emits some energy, thereby influencing the planet’s radiative balance. Its importance also comes from its long atmospheric lifetime and large emissions from fossil-fuel burning, cement production and land-use change. It does not completely reflect sunlight or alter seawater salinity.
Which subject and chapter does this question cover?
This is a Class 12 Geography question. Chapter: World Climate and Climate Change.
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