Select the correct pairs with regard to the shape of the Earth.

Q. Select the correct pairs with regard to the shape of the Earth.

Q. What shape did humans associate with the earth prior to the 4th century BCE?

Q. Select the appropriate pair of cards related to the major social changes during the 20th century.

Q. Which of the following observations led thinkers and philosophers to rethink about the shape of the Earth around 4th century BCE?

Q. Which of the following statements is/are correct regarding the condition of workers during the early nineteenth century?