5. "Human psychology helps to protect the environment and health of people."
Justify.

Psychology is the study of human behavior and our minds. Developing a solid understanding of the study will allow us to better handle our own issues regarding our minds and wellbeing as well as helping others. It will also help us predict patterns about human behavior and help us make our lives easier by understanding why we act the way we act, and let us make a safe environment for ourselves and everyone else.

Hope this helps!

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.