The fluid-filled chamber which provides a "home" for the developing fetus, as well as insulation from infection and harm, is the:

Amniotic sac

Explanation:

The amniotic sac is the fluid-filled chamber which provides a "home" for the developing fetus, as well as protection from infection and danger

this is a pretty broad question and can be a pretty lengthy answer. since 1900, women have gained a lot more rights and have become active in the workforce. with women being in the workforce, men play a larger role in family life. many family tasks are shared between men and women, whereas, women used to be the sole family caretakers.

that should get you started at least.

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.