One hectare of good forest picks up, CO₂ and releases O₂ respectively

A. 30,000 kg and 10,000 kg

B. 8,000 kg and 10,000 kg

C. 10,000 kg and 25,000 kg

D. 30,000 kg and 60,000 kg

Answer: Option A

Solution(By Examveda Team)

One hectare of good forest picks up nearly 30,000 kg of CO₂ and releases 10,000 kg of O₂ respectively.
With a spacing between lines of 3 meters and a spacing of plants within a line of 3 meters, a planting density of 1,111 trees can be planted in a hectare, which utilizes a huge amount of carbon dioxide from the atmosphere and at the same time release good amount of oxygen.