Some students of Class VI question that if the Earth is not flat, then how are maps showing everything as flat? What will be the best way to address this question?

Which of the following resources/data may be gathered by students while doing a Social Science project on a local neighborhood river? (A) Books written on the river (B) Local poems and songs (C) Interviews with farmers (D) Summaries copied from textbook (E) Watching a feature film related to rivers

Cartographic techniques in geography primarily focus on ______.