If people are suffering due to severe floods, what would you do to help them ?

Plants and water are the main sources to make our house environment healthy. What would you do to implement then successfully?

The lungs are surrounded by two protective layers. What do you call them ?

What colour do you observe ?

If you see water running off from a public tap, what would you do about it?

A patient is suffering from acidity. If you were doctor how would you treat him?

For which works fossil fuels are used in your house ? What measures do you take to conserve them ?