If a seagull drops a shell from rest at a height of 14 m , how fast is the shell moving when it hits

If a seagull drops a shell from rest at a height of 14 m , how fast is the shell moving when it hits the rocks?

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  2. answer;

    d. are made mostly of liquid

    explanation;

    -the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

    -neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.

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