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UPSC PYQPrelims 2021

Civil Services Examination · Question 19

What is blue carbon?

  1. Carbon captured by oceans and coastal ecosystems
  2. Carbon sequestered in forest biomass and agricultural soils
  3. Carbon contained in petroleum and natural gas
  4. Carbon present in atmosphere
Show answer & explanation

Answer: (A) Carbon captured by oceans and coastal ecosystems

Explanation

Blue carbon is carbon stored by oceans and coastal ecosystems such as mangroves, seagrasses and salt marshes.