Questions

1. Lichens are plants that grow in exposed places such as rocks or tree bark.

2.  Lichens are widely used as environmental indicators or bio-indicators. They can be used as air pollution indicators, especially of the concentration of sulfur-di-oxide in the atmosphere.  

3. They need to be very good at absorbing water and nutrients to grow there.

Buddhism is the world's fourth-largest religion, with over 520 million followers or over 7% of the global population. People who practice Buddhism are called Buddhists.

Buddhists seek to reach a state of nirvana, following the path of the Buddha, Siddhartha Gautama, who went on a quest for Enlightenment around the sixth century BC.

There is no belief in a personal god.

The Five senses that we have are: Sight, smell, hear, touch and taste. Rousseau emphasised that "Senses are the gateways of knowledge".

Digboi has the distinction of being India's oldest continuously producing oilfield. Digboi refinery, now a division of Indian Oil Corporation, had a capacity of about 0.65 MMTPA as of 2003. Digboi is now Headquarter of Assam Oil Division of Indian Oil Corporation Limited, though the crude production is not high today.