What tool was developed in 1569
during the renaissance era to help
sailors stay on course?
a. thermoscope
b. mercator map projection
c. barometer


Answer :

Answer:

The answer is b. Mercator map projection.

Explanation:

The barometer wasn't invented until 1643.

The thremoscope wasn't invented until 1596

Answer:

Choice B.

The Mercator map projection was invented in 1569 by a Flemish cartographer named Gerardus Mercator.