This question is incomplete. Here is the complete question:
Which economic activities are most productive in the Tropical North?
Choose exactly two answers that are correct.
A. fossil fuel industry
B. farming
C. fishing
D. mineral and gem mining
Answer:
The correct answers are options A. fossil fuel industry and D. mineral and gem mining.
Step-by-step explanation:
In the countries placed on the tropical north, it is common to carry out activities related to fossil fuel industry and mineral and gem mining.
Fossil fuels are those that have been buried for a long time and which have a great energetic and monetary value, such as oil or coal.
As for the mining of minerals and gems, it is dedicated to the extraction of them from subsoils, where they are accumulated. This activity is one of the oldest that exist on our planet.
Given this information then, we can say that the correct answer is options A and D.