Add spaces: CEMEconomyisanationalrepresentativestudyofthesocial,economicandpoliticalsituationanddevelopment.

Answer: CEM Economy is a national representative study of the social, economic and political situation and development.

Add spaces: Participatedinasportorhadexercised-atleastonceaweek

Answer: Participated in a sport or had exercised - at least once a week

Add spaces: "Humankindhasnotwoventheweboflife.Wearebutonethreadwithinit.

Answer:
"Human kind has not woven the web of life. We are but one thread within it.