In his article, john schwartz presents the reasoning that wastewater recycling has a public perception challenge to overcome. which piece of evidence sufficiently supports this reason? purifying wastewater involves a number of steps, including reverse osmosis. los angeles county uses recycled wastewater in irrigation and in boilers. governor jerry brown has established water restrictions in california. activists have coined the slogan “toilet to tap” to discourage the use of wastewater.

The right answer is

Activists have coined the slogan “toilet to tap” to discourage the use of wastewater.

Explanation

Toilet-to-tap or direct potable reuse is the future of potable water wherever we have acute water shortages but we still have a perception issue to resolve.

D- Activists have coined the slogan “toilet to tap” to discourage the use of wastewater.

The independent clause is the part of the sentece that can stand on its own and still make sence the dependent clause is the part of the sentence that wont make sence without the independent clause.

For Example:

When Sally came out of the bathroom with toilet paper on her shoe and everyone laughed, she knew she had committed a huge faux pas.

The underlined part is the independent clause and everything else is the dependent clause.

Hope that helps :)