The “final solution” refers to . a.
the Nazi policy of Jewish extermination
c.
the D-Day invasions
b.
the decision made by Allied Forces at the Tehran Conference
d.
the Treaty of Versailles

A

Explanation:

It was the mass murder of Jews

answer is b.shrapnel

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.