02.01 Navigation

What two instruments made navigation much easier in the 1900s?

Global Positioning Satellite (GPS) and two-way radio

Which of the following is NOT a method used to determine latitude?

chronometer

Which way do lines of latitude run and what do they measure?

Lines of latitude run east to west and measure places expressed in degrees north or south of the equator.

Which way do lines of longitude run and what do they measure?

Lines of longitude run east to west and measure places expressed in degrees north or south of the Prime Meridian.

Which was more difficult to determine (latitude or longitude) and why?

Longitude because you needed a chronometer and it hadn't been invented yet.