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lesson pretestMultiple Choice

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Question 1 • CMS 2026-2027 World History: Issues and Patterns CREDIT RECOVERY

Who discovered the three laws of planetary motion?

Answer
A
Galileo Galilei
B
Isaac Newton
C
Johannes Kepler
D
Nicolaus Copernicus

Explanation

Johannes Kepler discovered the three laws of planetary motion by studying observations of the planets, especially Mars. His laws describe how planets orbit the Sun, including their elliptical paths. Isaac Newton later explained the forces behind planetary motion.

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