When approaching a school bus with flashing red lights on your side of the road what should you

The correct answer for this question should be

you must stop your vehicle not less than 6 metres (20 feet) from the front or rear of the bus

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

explanation:

productive can also mean:

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

citizens were able to charge more for their goods and services