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The Human Environment
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This lesson talks about concepts like settlements, it's types,sites,different means of transportation like roadways,railways,airways and waterways along with a section on communication .

Arpita Prakash
NCERTs series initiator at Unacademy 'Educator of the Month' for Feb'19 CBSE 0.1% Merit Certificate holder in Mathematics

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(67)
U
Unacademy user
Thomas savery is invention of steam engine
Sri Sri
a year ago
i think james watt
Shaurya Garg
a month ago
Isn't the inventor of steam engine James Watt ?
Scheme for Airways by Central Govt is Uday Desh ka Aam Nagrik i.e. UDAN
I think Asia's largest railway network is China, Kindly correct me if i am wrong. http://www.railway-technology.com/features/featurethe-worlds-longest-railway-networks-4180878/
Arpita Prakash
3 years ago
http://wap.business-standard.com/article/beyond-business/18-interesting-facts-about-india-railways-business-standard-news-115021600404_1.html
Arpita Prakash
3 years ago
Kindly see point 2 of this link...And also NCERT mentions about India !! However let me just check your link too.
Arpita Prakash
3 years ago
I checked our one too... now internet gives different information so I really don't know about right and wrong for this question... Let's abide by what NCERT says, if no authentic info is available and if that's feasible to you :)
Megha Bhatt
a year ago
Indian railways is the largest railway network in asia
1.invention of steam engine by James wat 2. Industrial revolution in 1760 to between 1820-1840 3.udan -udey desh ka aam nagrik
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