please help moon plz.............
Answers
across :
1) a greenhouse gas
carbon dioxide
3) a gas necessary for human survival
oxygen
4) 1992 earth summit was help here
Rio de Janeiro, Brazil
5) presence of wetlands increases this gas
Wetlands are usually known for mass carbon storage and sequestration in form of biomass, however they are also a prominent source of GHGs (Greenhouse Gases, e.g. $N_2O$, $CH_4$ etc.). ... Plants in wetland have a high growth rate, so they capture (or sequester) large amounts of carbon dioxide
down :
1) released from ac and fridge
chlorofluorocarbons
2) a safety layer from harmful UV rays
The ozone layer protects us from potentially harmful ultraviolet (UV) radiation. ... Ozone in the stratosphere protects life on Earth from harmful ultraviolet (UV) radiation and is therefore often called 'good' ozone