Answer:

1.obesity

2.smoking

3.youth alcohol usage

4.on going of cutting trees

5.transportation

6.buildings and factories leveling up population

7.homelessness

8.teen violance

9.depression

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Answer:

1.- The brains behind smart cities · 2.- Taking better care of our health · 3.- A tool for medical and pharmacological research · 4.- Helping

5.- More transparency in international financial markets6.- Making agriculture and livestock more productive 7.- A compass for prices9. Big data transform election campaigns10. A new genre of news: data journalism

Explanation:

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