D.) high level of urbanization
This is because urbanization is a key element.
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The <span>country has the longest life expectancy in the world is: Japan
The researchers believe that this happen because of the combination of Japanese daily diet (Which consist of a lot of vegetables and fish) and Japanse norm that require people to be thankful in every opportunity. (in Japanese culture, people say thank you before they eat, before they leave the house, and after they arrive to their home)</span>
The Rainforest, because it has a lot of rain and is a very wet and humid climate which cause more types of vegetation to grow.
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Explanation:
The question is incomplete.
However a standard method to dertmine how workload effects health is developed and is called Harvard step test.
The Harvard Step Test is a fitness test method devised to measure heart and respiratory fitness. It is done by giving some work load to a person for 5 minutes (normally) and then noting his heart rate afterwards in some intervals.
Formula is;
Fitness Index = (100 x test duration in sec) / (5.5 x pulse count between 1 and 1.5 mins)
