Provide three facts to explain natural radiation​

People emit more radiation than their cell phones do. Most of the radiation people are exposed to daily is not harmful because it is non-ionizing. Inside the Chernobyl reactors grows a type of fungus that actually thrives on radiation. A toy released in the 1950s had uranium samples in it.

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.

the awnser is a

it is not b or c