Who among the following first measured the distance around the Earth?

अफीम-युद्ध किनके बीच लड़े गए

Semang tribe is inhabited by?

In which of the following countries intensive agriculture is done?

Where is World Sparrow Day celebrated?

In which country was the word 'proliferation' used for the first time?

Which of the following forests are often called the "Lungs of the Planet"?

The Westminster parliamentary system was developed in ___________.