I think he uses his camera as a tool to form an argument. The image captured by his camera will be a lasting photo of what was captured. It would be captured in such a way as an indefinite answer. The capture of the situation could be done in a way that makes it open to discussion.
ut of all the options, lenses is the only option that is the tool used by a photographer. He makes uses of the lenses of different kind in order to take photos and capture moments of their own and other people's lives. A photographer can use lenses to use the photos taken from those lenses in order to build an argument of whatever sort they want.
the issues of human rights violations to government communities are increasing so inorder to minimize it you need to teach people about the importance of human rights
A prepositional phrase contains a preposition and usually a noun. Your answer would be the first choice. example: I went over the hill. "Over the hill" is a prepositional phrase.