Question

What causes more Americans to be aware of pollution and environmental issues?

a.
The rise of environmental reformers that began to call more attention to these issues

b.
The fact that more people were struggling to breathe and exercise in the 1970s

c.
The government creating new agencies and policies regarding the environment

d.
The fact that more people were able to visually see environmental changes

Answer 1

This must be number D because it is the real fact