Ruthless exploitation and pollution of the environment has increased the magnitude of waste materials,which has disturbed the operations of all important:

The entire fleet of buses in Delhi was converted to $CNG$ from diesel. In reference to this,which one of the following statements is false?

How many of the following processes result in the release of $CO_2$ into the atmosphere? Burning of wood,forest fires,photosynthesis,combustion of fossil fuels,decomposition of organic matter,volcanic activity.

Contour farming is usually employed in

Which of the following statements is incorrect?

In the town of Arcata,the local people,in collaboration with biologists from $...........$,developed an integrated wastewater treatment process within a natural system.