The social science that studies human society and social behavior is
a. sociology.
c. anthropology.
b. psychology.
d. political science.

(A) Sociology

Explanation:

In social science we find out about  human values, connections, convictions and society.

In this we study about public activity, social change, and the social causes and results of human conduct. Sociologists examine the structure of gatherings, associations, and social orders, and how individuals interface inside these unique situations.

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.