What are the benefits we can get from the distance given on th maps?
Write any seven points.

Advantages

One is able to easily measure distance with the help of a linear scale
If the map is photographically enlarged/reduced, the scale is also enlarged/reduced in the same ratio and remains true to the map
Disadvantages

The scale can only be used by those who are familiar with the unit of measurement present on the map
It requires time and proficiency in creating a linear scale

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

producing or giving rise torelating to or engaged in the production of goods, crops, or other commodities.

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.