What is the main force responsible for moving rock and debris

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.

Read the article titled "trans-saharan migration routes to north africa and the eu: historical roots and current trends." why do tens of thousands of sub-saharan africans try to cross the mediterranean each year? how are these refugees commonly portrayed? (site 1)

Explain how the movement of tectonic plates causes the development of different landforms and naturak disasters