1 E 2 C 3 A 4 B 5 D
Turning off power of electric devices when will help to solve the problem of wasting energy.
Protecting endangered species will help to solve problem of animals facing extinction.
Planting trees will help to solve the problem of deforestation.
Cleaning up the beaches will help to solve the problem of polluted beaches.
Using public transport will help to solve the problem of air pollution.