Two-dimensional maps are helpful in some ways, but can have problems. Although the Mercator map distorts areas, why is it helpful? A. It shows the shape of continents accurately. B. It is useful for navigation. C. It has very little distortion. D. It is the most accurate map projection.

B. It is useful for navigation.

Explanation:

The Mercator is a famous map projections that was created by Geradus Mercator who was a Flemish geographer in 1569.

The Mercator is used for nautical purposes and is regarded as the standard map projection due to the fact that the lines of true direction can be represented on it and hence useful for navigation.

your answer is b hope that

it deviates because of the date.

explanation:

the international date line is an imaginary zig zag line on the surface of the earth roughly following the 180 degree meridian. crossing the date line causes the date to be changed exactly by one day. crossing the line from east to west , one loses a day . and from west to east, one gains a day.