I exist beneath surfaces, holding the weight of worlds without being visible. What am I?

Category: Science · Difficulty: hard

Hint: Consider the earth’s composition and structure.

Answer

A geological layer

Explanation

Geological layers are the stratified sections of Earth that support ecosystems and geological formations but are unseen.

This is a hard science riddle — a tricky one that takes a little thought. The answer is A geological layer.

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