Carbon dioxide
Carbon dioxide ek chemical compound hae jiske chemical formula CO2 hae. Ii molecules se banaa rahe hae, jisme ek carbon atom covalently dui oxygen atoms se double bond banae hae. Iske bhaap ke ruup me room temperature me paawa jaae hae aur iske concentration me koi mahak nai rahe hae. Ii carbon cycle ke khaatir jaruri hae, aur dunia me [[perr] ke jinda rahe ke khaatir jaruri hae. Hawaa me carbon dioxide ke aankhi se nai dekha jaae sake hae, lekin ii infrared radiation ke absorb kare aur ek greenhouse gas hae. Carbon dioxide, paani me mile sake hae aur iske matti ke bhittar ke paani, talaab, ice cap, aur samundar ke paani me bhi paawa jaae hae.