Answer:
sea trade
Explanation:
The control of sea trade, the chief source of Portuguese wealth in the East, was assured by the defeat of Muslim naval forces off Diu in 1509.
Portugal's main natural resources include fish, forests (cork), iron ore, copper, zinc, tin, tungsten, silver, gold, uranium, marble, clay, gypsum, salt, arable land and hydropower.
West Virginia, Kentucky, Arkansas, Tennessee
<span>Among the choices given, an example of the divergent boundary is letter C. Oceanic-continental. When we speak of divergent boundary, we also refer to the constructive or extensional boundary. This is a feature which is linear in nature and exist between two tectonic plates that tend to move away from each other. </span>