How do customs preserve the distinctive identity of a community? ​

no questions on whether they are allowed that right

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.

answer; repetitive thoughts; ritualistic behaviors;

answereruption of molten material; magnetic stripes in the rock of the ocean floor; the age of the rocks themselves;