What is responsible for earths magnetic field

How does population distribution reflect a particular region’s economy?

Why are nongovernmental organizations important? check all that applya. they are private institutions that aid the work of government.b. they often fill in gaps between government-funded services. c. they are private institutions that attack government policyd. they citizens by acting as watch dogs over elected officials

Ahill is made of rock particles of different sizes. which of these agents of erosion probably caused the hill to form?