A. map
Explanation:
A map is a projection that is used to represent real life phenomenon on a two dimensional surface.
A project of the Gulf of Mexico showing currents and water depth would be a map.
Maps are very good descriptive resources for delineating surface and even subsurface features.
Weather maps usually cover current patterns in the world.
Water depth in places can also be presented using water depth maps too.
learn more:
Physical maps brainly.com/question/3687554
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You will find the information you need here. :3 Good luck!
(Says I have to cite my sources so here goes: I just copy/pasted your question into Google lol)
Density, because the core is made of metals like iron and nickel
Explanation is in a file
bit.
ly/3a8Nt8n
