Which of the following natural factors is likely to support the formation of an oceanic island? erosion of undersea stalagmites and stalactites erosion of the face of a cliff by waves rising of magma from the seafloor rising sea level in low-lying areas

The natural factor that is most likely to support the formation of an oceanic island is the rise of magma from the seafloor. Oceanic islands are also otherwise known as volcanic islands. When volcanoes erupt, they create layers of lava that break the surface of the water. When the tops of the volcanoes emerge, an island is created. 

Biased means unfair but that's all ik