North Dakota, South Dakota, Nebraska, Kansas, Oklahoma, Texas
None, mainly because there is no such longitude.
Greenwich, England
The 120 degrees east line of longitude passes through Asia and Antarctica.
The Earth rotates at the rate of roughly 15 degrees of longitude per hour.
The 120 degrees west longitude line passes through North America, specifically through parts of Canada, the United States, Mexico, and some Central American countries.
-- England -- France -- Spain
The prime meridian. 0 degrees
Africa and Asia are the continents that pass through the 45 degrees East longitude line.
60 degrees west longitude on the Tropic of Capricorn is a point in western Paraguay.
No, 90 degrees west does not pass through the Soviet Union. This line of longitude runs through parts of North and South America, including countries like the United States, Canada, Brazil, and Ecuador.
The Earth rotates at the rate of roughly 15 degrees of longitude per hour.
360° of longitude divided by 24 time zones gives 15° per time zone (average)