Author Question: Clocks that operated without a pendulum had to be invented before longitude at sea could be ... (Read 97 times)

cherise1989 · **on:** Jul 14, 2018

Clocks that operated without a pendulum had to be invented before longitude at sea could be calculated.

Indicate whether the statement is true or false

Question 2

Observers in the southern hemisphere use the North Star (Polaris) to determine their latitude.

Indicate whether the statement is true or false