Consider the following statements:

Statement-I: The temperature contrast between continents and oceans is greater during summer than in winter.

Statement-II: The specific heat of water is more than that of land surface.

Which one of the following is correct in respect of the above statements?

In which one of the following regions was Dhanyakataka, which flourished as a prominent Buddhist center under the Mahasanghikas, located? 

With reference to ancient India, consider the following statements :

1. The concept of Stupa is Buddhist in origin.

2. Stupa was generally a repository of relics.

3. Stupa was a votive and commemorative structure in the Buddhist tradition.

How many of the statements given above are correct? 

With reference to ancient South India, Korkai, Poompuhar, and Muchiri were well-known as