Question

Which of the following has the oldest rocks in the country? a. The Himalayas ·b. The Aravallis c. The Indo-Gangetic Plain d.The Siwaliks

Answer 1

the answer is himalayas .,.....

Answer 2

d.The Siwaliks

The Sivalik Hills, also identified as Churia Hills, is an elevation range of the exterior Himalayas that extends from the Indus River nearly 2,400 km eastwards close to the Brahmaputra River. It is 10–50 km wide with an ordinary elevation of 1,500–2,000 m. it is known for having the oldest rocks in the country.