9. The species diversity of plants (22 percent) is much less than that of animals (72 percent). What could be the explanations to how animals achieved greater diversification?

The following initiatives can be taken to prevent environmental pollution:
Measures for preventing Air pollution
 Planting more trees
 Use of clean and renewable energy sources such as CNG and bio-fuels
 Reducing the use of fossil fuels
 Use of catalytic converters in automobiles
Measures for preventing water pollution
 Optimizing the use of water
 Using kitchen waste water in gardening and other household purposes
Measures for controlling Noise pollution
 Avoid burning crackers on Diwali
 Plantation of more trees
Measures for decreasing solid waste generation
 Segregation of waste
 Recycling and reuse of plastic and paper
 Composting of biodegradable kitchen waste
 Reducing the use of plastics