4. Which activities are useful in the environment 1. Burning of garbage Il. Vegetable gardening II. Deforestation IV. Composting Aland B. Illand I C. Il and D. Il and M 5. What is/are the harmful effect of melting of ice/glaciers in other parts o The world 1. flood Ill. forest fires II. Destruction of habitat of some animals IV. Dro All and B. I and I C. ll and I D. IV only​