How did Eratosthenes estimate the size of Earth in 240 B.C.?

What will be an ideal response?


by comparing the maximum altitude of the sun in two cities at different latitudes

Physics & Space Science

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Jupiter's colors come in part from its three layers of clouds. Which of the following is not the primary constituent of one of Jupiter's cloud layers?

A) clouds of sulfuric acid B) clouds of water C) clouds of ammonium hydrosulfide D) clouds of ammonia

Physics & Space Science

If molecules in a sample of gas moved so they completely missed each other, with no other effects, the gas temperature would

A) increase. B) decrease. C) remain unchanged.

Physics & Space Science

A(n) ______ is a group of formatting properties applied as a group to selected text.

A. template B. style C. palette D. design

Physics & Space Science

If molecules in the sky scattered orange light instead of blue light, sunsets would be colored

A) orange. B) yellow. C) green. D) blue. E) none of the above

Physics & Space Science