Question

Invention of __________ was important for sea voyages

Answer 1

Answer:

The questions appear to be incomplete, but I think it’s the discovery of a magnetic compass which has revolutionized the voyages.

These compasses contain a magnetic element which aligns itself with the earth’s magnetic field. Although we have many new inventions like GPS, satellites which have made navigation easy, all these rely on electricity, and batteries whereas magnetic compass come easy and inexpensive and also gives an accurate result.

Answer 2

Answer:

Invention of Magnetic compass was important for sea voyages

Explanation:

This compass is very effective to navigate direction during sea voyages. It is used to navigate North, South, East and West which has mentioned on compass with their initial alphabets and it is provided with needle which can be aligned in corresponding direction.

In ancient times sailors used direction of wind and wave to navigate geographical direction.

After sometimes they started using nautical charts to navigate direction. But discovery of magnetic compass is proved to be effective.