Q. What is steam engine? who is inventedit it ?
Ans. The engine run on steam is called steam engine. This steam engine invented by James Watt.
Q. What do you mean by roadways?
Ans. Road transport is known as roadways.
Q. What do you mean by highways, expressways and freeways ?
Ans. Broad fine and metalled roads, known as highways, expressways and freeways. These ways connect different cities within a country.
★ Grand Trunk Road (G. T. Road) connects Kolkata in India to Peshawar in Pakistan.
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