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.

c. a group of tribes that formed a confederacy

laughter improves people's emotional and well-being.   kavita khajuria is a psychiatrist and he has defined laughter as " physical expression of humour and joy that has numorous protective qualities." when you feel under stress or sad because you have argued with a person you love, you need to laugh to feel strong enough to face the problems.

when you have an exam , you probably feel under stress. laughing will you release this tension. humour decreases the hormones that cause stress. k. khajuria   says that the brain releases some chemical components when we laugh. these chemical components are called neurotrophic factors and they are very important. they support the neurons in the brain and encourage the growth of new neurons. as a conclusion, you should laugh a lot before giving your exam. laughing will you with your exam and with your brain.

if you are having difficult times with friends or family members, laughing will also you face these problems. alannagh kelly is an assistant psychologist. she thinks that laughter can   make anger and anxiety vanish in the air. laughter can set a new and exciting atmosphere among people and it can make the bonds bewteen people stronger. so, if you are having a difficult time with someone you love, invite him / her to watch a comedy. you will probably make peace.

laugher will certainly protect you against stress and emotional pain. watching a comedy   may be a solution to stress or damaged bonds. " this remedy is fun , free, and best of all, no instructions needed."   alannagh kelly has said in her blog.