what is a unit of measurement that indicates the distance between lines of latitude and longitude called?

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

The action of eventually a low island to form. a. wind b. waves c. volcanoes d. tectonic plates

Why are young eastern european democracies at an increased risk for turmoil during a global recession? a) anger against increased democracy b) failure of the free market system c) government corruption d) lack of from the e.u.