Question

how does the author elaborate on events that happened between 1955 and 1970? complete the sentences. the author provides facts about the governments ? of laws to fight smog. research led the government to ? that cause air pollution. in response, many businesses were forced

Explanation:

The context suggests the author details government - related actions against smog and air - pollution. The first blank likely needs a word related to the implementation of laws, the second a word for taking action against pollution - causing factors, and the third could be a general term for the entities affected. Based on the given options, "series" seems appropriate for the second blank as it can be part of "a series of actions".

Answer:

The author provides facts about the government's enactment of laws to fight smog. Research led the government to take a series of actions that cause air pollution. In response, many businesses were forced to make changes.