1. B. Having friendly colleagues.
2. B. 20%.
3. A. Those of a small size.
4. C. They can better balance work and life.
5. D. It is a collection of photos.
6. C. When taking pictures for a concert catalogue.
7. A. The entire European coastline will be submerged.
8. D. Tourists use wooden paths to reach their hotels in the morning.
9. C. They spend too much time anticipating their defeat.
10. D. Thinking has the same effect on the nervous system as doing.
11. C. Picture themselves succeeding.
12. B. She won her first jury trial.
13. C. It helps people to avoid developing breast cancer.
14. D. It tracked their eating habits since their adolescence.
15. A. Fiber may help to reduce hormones in the body.
16. B. Conducting research on consumer behavior.
17. D. It is an act of socialising.
18. A. They spent a week studying their own purchasing behavior.
19. D. It is likely to give up paper money in the near future.
20. C. Whether the absence of physical currency causes a person to spend more.
21. C. The restaurant car accepted cash only.
22. A. By putting money into envelopes.
23. B. Chronic hunger.
24. B. About half of them are unintended.
25. A. It is essential to the wellbeing of all species on earth.