The indigenous populations of australia are called lapita maori aborigines polynesians 1.lapita 2.maori 3. aborigines 4. polynesians

Aborigines Australian Aboriginal peoples, one of the two distinct groups of Indigenous peoples of Australia, the other being the Torres Strait Islander peoples.

a mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. this uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.a geomagnetic reversal is a change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged.