You should learn oceanology and also geography,biology.
It creates a Shield Volcano.
I hope this helps! =)
<span>If a modern astronomer describes a faint star as being in the constellation cygnus, the swan, you know that the star is: </span><span>Somewhere within a particular region of sky having definite boundaries
</span>The swn of the constellation cygnus is located on northern part of the constellation. This means that the location is limited to the plane part of the milky wat.
One continent is Antarctic continent, one ocean is Atlantic ocean
The water is in gaseous form