Demands that marketers actively contribute to the needs of the broader community.
answer
a. social responsibility
b. green marketing
c. primary data
d. observation research

A - social responsibility demands that marketers actively contribute to the needs of the broader community. This should self-evident. 

Marketing often entails bad practices which have only profit in sight. With that in mind, social responsibility dictates that their marketing efforts also contribute to the needs of the broader community. 

Reduction in overall biodiversity

What’s the question here ?