Question

which of these would be most relevant to a research report on the environment? notes from an art history class opinions about good weather for running facts about the changing climate instructions for warming up a car in winter

Explanation:

A research report on the environment would focus on environmental - related topics. Changing climate is an environmental issue. Art history notes are about art, opinions on running weather are about personal activities, and car - warming instructions are about vehicle maintenance, none of which are directly related to the environment.

Answer:

C. facts about the changing climate