I am an ongoing process, grow and shrink, affecting climates and tides. What am I?
Category: Science · Difficulty: medium
Hint: Think about celestial bodies and their cycles.
Answer
The moon phases
Explanation
The moon phases are a cycle impacting tides and are based on its position relative to Earth.
This is a medium science riddle — a moderate challenge for most people. The answer is The moon phases.
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