The older generations see the natural Alaskan setting as central to their culture and identity . The younger natives support the oil drilling because It will provide valuable jobs and bolster the economy .

mercury

explanation:

mercury is the least dense because of its size

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.