Which hemisphere has the most major cites?

Earth rotates on its axis, a large rotating globe could spin in many directions, but earth is held steady by a. two magnetic poles. b. the sun's gravitational pull. c. the moon's gravitational pull. d. the equator.

Suppose Halley's comet orbits the sun every 79 years with an eccentricity of 0.87. What is it's aphelion distance in au's

What is the difference beween nautical miles and miles?

Rewrite the following in the form log (c). log (12) - log (3)

Explain why urban explosion is a concern in regard to environmental science. (Site 1)

Use an example to explain why economists measure a country's economic development by its GDP per capita rather than its total GDP.

Significant plate tectonic changes occurred on Earth during the Mesozoic Era.

What is the definition for Longitude?

What happend to the reputation of Mandela during the time that he was in jail?

This map shows the locations of the 15 largest earthquakes in the world since 1900. All but ONE have all occurred at what type of plate boundary?