Final answer:
Sea levels can both rise and fall due to various factors, including thermal expansion and melting ice caps.
Explanation:
False. Sea levels can both rise and fall due to various factors such as thermal expansion of ocean water and melting ice caps. Historically, sea levels have fluctuated significantly, with evidence of sea levels being higher and lower than present levels at different points in Earth's history.
Learn more about Sea level fluctuations here:
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