Answer:
Travel refers to the activity of going on a long journey. Tourism also refers to travel, but there is a specific purpose in tourism. It refers to traveling to a place for pleasure.
Explanation:
This is the main difference between travel and tourism
D.) that there are no large urban centers
Answer:
Emeralds.
Explanation:
it's predicted that Colombia has around 65% of Emerald Reserve in the world, making it became one of the most valuable goods that contributed to Columbia's economic sector. (Emeralds are around 20 times rarer than diamonds, so the price for same sized emeralds typically much higher than diamonds).
Emeralds contributed for around 2% of Columbia's GDP annually. This number is extremely high for one single product.
