1.   It is exclusively produced in tropical countries and mostly consumed in the industrialized North.

2.   Many tropical countries welcome people of independent means as long-term residents.

3.   To date, it has been co-ordinated through a small Rome-based unit which assists tropical countries in drawing up national plans preventing forest loss.

4.   Frogs in tropical countries are being killed off by pesticides developed in cooler climates.

5.   It also calls for increased aid to tropical countries to enable them to achieve sustainable forest management.

6.   Those from tropical countries could suffer from the cold in winter unless their shelters provide a draughtproof, warm and dry habitat for them.

7.   All peppercorns are the fruit of Piper nigrum, a vine that is native to southern India but also grown in Indonesia and other tropical countries.

8.   But unlike cooks in tropical countries, most Americans did not grow up selecting wares from the local spice vendor as a part of daily shopping.

9.   In which tropical country could a doctor in the British army have been forced to put up with difficult exertion and hardships?