Imagine that you hear the following weather reporte "Florida is sweltering in summerlike heat and humidity ahead of a cold front that promises
to bring down polar air from Canada and cool down the state next week
What is a front
O a region where there are severe thunderstorms
O an area whereatrogical storm is likely to form
O a boundary between two air masses with the same temperature
O a boundary between two air masses with different densities and usually different temperatures

Answer is d

A weather front is a transition zone between two different air masses at the Earth's surface.

Explanation:

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.

polar areas, such as antarctica or the south pole.