The distance a planet is from its star is important because? a. stars emit radiation necessary for life
b. it affects the planet's temperature
c. scientists can tell what galaxy it's in
d. it could collide with the star when in orbit

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.

a

explanation: