About 71% of the earth's surface

OCEANS

["**Hint:** \"Vast bodies of saltwater covering most of the planet.\"\n\nThis hint guides the solver by describing the key characteristics of the answer without directly stating it or repeating the original clue. It emphasizes the large-scale nature and composition of the answer, making it easier to deduce."]

The clue "About 71% of the earth's surface" leads to the answer "OCEANS" through a straightforward factual reference. The earth's surface is approximately 71% covered by water, and the vast majority of this water is found in the world's oceans. Therefore, the clue is directly pointing to the fact that oceans make up most of the earth's surface area, leading to the answer "OCEANS." There is no wordplay or pun involved; it is a direct knowledge-based clue.