How long does it take the earth to move half way around the sun​

182.5 in a normal year, 183 in a leap year.

Explanation:

To solve this, we divide 365 by 2 to get a normal year, and 366 divided by 2 to get the results of a leap year.

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.