About 10% of American have ever taken a cruise.
If I've done my research correctly, this is about how many have actually taken a cruise. I would do some extra research to see if I'm correct or not.
Answer:
Mountains
Explanation:
Mountains such as the Himalayas because they provide water to the rivers of the South East Asia, being able to the rice irrigation and protein to tens of millions of South East Asians in Thailand, Laos, Vietnam, etc.
Answer:
Positive psychology.
Explanation:
As the exercise briefly states, the positive psychology movement views psychological disorders as difficulties that inhibit the individual's ability to achieve highly subjective well-being and feelings of fulfilment. This discipline studies the "good life", what makes life attractive to live, working against negative thinking emphasising the well being, what life has still to give.