Answer:
The Moon is significantly smaller than the Earth and so its core contained less energy to begin with and also cooled significantly faster. Thus, the Moon's core is relatively cool and solid, whereas a portion of the Earth's core is liquid.
Explanation:
3 half lives = 3x 5730 years = 17190 years
Answer:
Ancient Chinese: Isolated by Geographic features, ruled by a series of several dynasties, well-planned orderly cities,
Indus Valley: Public Baths used for cleansing... , Public drainage and sewage systems, first civilization to Cultivate rice and millet.
The best and most correct answer among the choices provided by the question is the first choice "Mercator projection map"<span>
A method of making a flat map of the Earth's surface so that the meridians and parallels appear as straight lines that cross at right angles. In a Mercator projection<span>, the areas farther from the equator appear larger, making the polar regions greatly distorted.</span>
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