Explain how the use CNG in automobiles has reduced pollution in our cities.

Explain how deforestation leads to reduced rainfall.

Explain how does burning of fossil fuels causes air and soil pollution

How is air polluted by automobiles ?

How could green chemistry help to reduce pollution (Write two point.)

Explain any three measures which will control vehicular air pollution in Indian cities .

Smita's father has been advised by a doctor to reduce his sugar intake. a] Name the disease he is suffering from and name the hormone whose deficiency is the cause. b] Identify the gland that secretes it and mention the function of this hormone. c] Explain how the time and amount of secretion of this hormone is regulated in human system.