A is an informal communication network that involves numerous people in an organization sharing information with some of their friends, which leads the shared information to flow freely and quickly through the organization. A) gossip chainB) cluster chainC) wheel networkD) circle network

loess contribute to the flooding of rivers by providing the silt that is washed into rivers and constantly raises the bed of the rivers. this elevation above the surrounding flood plains and dams allow the river to overwhelm the dams and flood thousand of square miles of neighboring flood plains.

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the correct answer is :

{b.}   ( american workers lose job opportunities )

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    -sprinkles

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; in small towns;