Most divergent plate boundaries are underwater (Iceland is an exception) and form submarine mountain ranges called oceanic spreading ridges. While the process is volcanic, volcanoes and earthquakes along oceanic spreading ridges are not as violent as they are at convergent plate boundaries.
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Lava plateaus is formed by highly fluid (runny) basaltic lava during numerous successive eruptions through numerous vents without violent explosions (quiet eruptions). These eruptions are quiet because of low vicosity are of mafic lava, so that it is very fluid and contains a small amount of trapped gases.
Mekong hope this helps you out!!
Its B , cause its the build up of magnetic energy that is suddenly released ,causing what we see and call a solar flare and it looks like a bright light coming out of the representation
