Northern most is the great Himalaya or Himadri.  Most of the peaks are located here. To the south of the Himadri or middle Himalaya is Himachal. Shivalik is the southernmost range.

Sustainable development is. Meeting the needs of present generation by using the resources available without compromising the needs of future generations.

Natural satellite means satellite made by nature. e.g. moon. Artificial means made by the man. Also, satellite means a body revolving around the other body.

In tea and cofee plantations ,need cheap labours

,firstly the labours are staying near by,

secondly they have the capacity to follow the instructions due to their needs . To earn money and to fulfill the needs.

thirdly availabilty of workers are more in size.

Any two divisions of India can be North India and South India.

We can use diversity index - shanon and Simpsons index

We have to first see what is longitude of both city then take difference of both and this difference is 30 degree. now we know 1degree = 4 minute Therefore 30 degree = 120 minute i.e 2 hours. So answer is 2 hrs

Coromonda; Coast of Tamil Nadu receives monsoon twice in a year due to the effect of monsoon branch of the Arabian Sea (after summer)  and the Bay of Bengal (during winter).  

Coromandel Coast

Life's supporting gases are those gases with support life on Earth, There are multiple gases in the atmosphere some of them are required for the maintenance of life the most important gas is oxygen because it supports the most of the living species of the planet. They get infused with the oxygen carrier cells for example, RBC in human for making the cell structurally and functionally viable. One more gas plays a major role in supporting life is Carbon dioxide because it is required in photosynthesis which ultimately makes food for the living species and maintains an equilibrium between them.