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If a 4.5 cm diameter marble represents the moon, how big would the model Earth be?

A. 16.5 cm
B. 38.5 cm
C. 90.5 cm
D. 211.5 cm

Answer :

Final answer:

If we represent the Moon with a 4.5 cm marble, then the Earth would be represented by an object of approximately 16.5 cm in diameter in our model. This calculation is based on the relative sizes of Earth and Moon.

Explanation:

To answer the question, If a 4.5 cm diameter marble represents the moon, how big would the model earth be?, we need to compare the actual sizes of the Moon and the Earth. The Moon's diameter is about 3,476 kilometers, and Earth's diameter is about 12,742 kilometers. So, Earth is roughly 3.67 times larger than the Moon. Now, if we represent the Moon with a marble of 4.5 cm in diameter, the Earth, being 3.67 times larger, would be represented by an object with a diameter of approximately 16.5 cm. Therefore, the correct answer is A) 16.5 cm.

Learn more about Planetary Scale here:

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