What sea is closest to Texas? A) Hudson B) Caribbean C) Black D) Gulf of Mexico E) Yellow

D pretty sure The Gulf of Mexico (Spanish: Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba.

D: Gulf of Mexico - that's the answer