Question

As a result of global warming there has been:

1. Better global communication
2. Melting of glaciers
3. Flowering of mango trees before time
4. Adverse impact on health

Select your answer from the codes given below:
Codes:

1. 1, 2 and 3 are correct
2. 2, 3 and 4 are correct
3. 1, 2 and 4 are correct
4. 1, 3 and 4 are correct