1.

State whether the following statements are true or false:1. Our environment is polluted due to smoke from industries, factories, power stations and auto vehicles.2. The average condition of temperature, moisture and rain for a period of over 35 years is called ‘weather’.3. Problem of climate change has emerged due to reduction in greenhouse gases.4. The proportion of CO2 which was 275 PPM 100 years ago has increased to 350 PPM at present.5. The proportion of nitrous oxide which was 270 PPM before, is now 470 PPM.6. Beehives are disappearing fast due to global warming.

Answer»

1. True

2. False

3. False

4. True

5. False

6. True


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