What is the responsibility of a scientist?

Transparent and truthfulness.

Explanation:

A scientist has the responsibility for social issues and the practical use of his invention. He must follow the intellectual property right such as his new invention is transparent and truthful. The base of every research is ethics. The ethics may be human or social or both. A scientist can choose academic life as well as the research field. He must be transparent in both areas and that's why research ethics introduce as a subject in the university.  He has to think about what would be the effect and usefulness of his discoveries or inventions.

i'd have to say the answer is probable the second option "the geosphere interacting with the atmosphere"