Oenopides was the first to discover and measure the tilt.
He came up with about 24 degrees around 480BCe using geometry and measurements of sun angles at several times of year.
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The Arctic ocean is the smallest of the world's five oceans
Answer:
Mesosphere
Explanation:
The mesosphere starts at 31 miles (50 km) and extends to 53 miles (85 km) high. The top of the mesosphere, called the mesopause, is the coldest part of Earth's atmosphere, with temperatures averaging about minus 130 degrees F (minus 90 C).
Answer:
Explanation:
The Dust Bowl of the 1930s was caused by erosion, overgrazing, fertilizer runoff & the clearing of grasslands.
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