Answer:
C. Drilling for natural gas
Explanation:
The economic activity that is most likely found in the north region of texas will be drilling for natural gas which is because North Texas has a lot of crude oil. This is why it is able to readily export its oil products to other countries such as Mexico.
Drilling of natural gas is also part of the oil exploration technique in the industry which is the main reason why the most likely activity taken place is drilling for natural gas
