This element of a map can be used in determining the relative location of a place. it also shows the distance on a map

An atlas is used to determine the relative location of a place.

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; the cats meowing will temporarily increase, but then it will decrease;