Send the following on WhatsApp
Continue to ChatWhat is the main process of erosion in the upper course of a river? https://www.internetgeography.net/flashcard/what-is-the-main-process-of-erosion-in-the-upper-course-of-a-river/
What is the main process of erosion in the upper course of a river? https://www.internetgeography.net/flashcard/what-is-the-main-process-of-erosion-in-the-upper-course-of-a-river/