For the following questions answer them individually
Which among the following is used to dilute oxygen in the gas cylinders used by divers ?
The release of which of the following into ponds and wells helps in controlling mosquitoes?
Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as
Who was the captain of the West Indies Cricket team, which won the TÂ20 World Cup 2012?
Which football player has won the FIFA World Player Award (FIFA Ballon d’Or) for four years in a row?