state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 General Knowledge Ecology and Environment Environmental pollution
Which of the following are the correct approaches to reduce ‘global warming’?
(i) Use of fossil fuels
(ii) improving efficiency of energy usage
(iii) Afforestation
(iv) Increasing the growth rate of human population
1
(i) and (ii)
2
(ii) and (iii)
3
(iii) and (iv)
4
(i), (ii) and (iii)