state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 General Science Biology Ecology & Environment
'Global Warming' is a contemporary environmental concern. The group of gases which contribute to this are :
1
Methane, Nitrogen dioxide, Ozone
2
Nitrogen dioxide, Hydrogen, Oxygen
3
Methane, Nitrogen dioxide, Oxygen
4
Methane, Hydrogen, Nitrogen