The ice caps are melting due to global warming which is being affected by the polluted air
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Hi bro /siso plss post in the English Hope it helpfull too
Volcanoes can form underwater thats how Hawaii was made
More likely the answer A if it not im sorry
An alluvial fan is a triangle-shaped deposit of gravel, sand, and even smaller pieces of sediment, such as silt. This sediment is called alluvium. Alluvial fans are usually created as flowing water interacts with mountains, hills, or the steep walls of canyons.
Also, Marine sediment, any deposit of insoluble material, primarily rock and soil particles, transported from land areas to the ocean by wind, ice, and rivers, as well as the remains of marine organisms, products of submarine volcanism, chemical precipitates from seawater, and materials from outer space.