Do you have a table? Or options to go with the question?
It is hydropower the first option
I believe The answer is B. Hope this Helps :)
Answer:
In 2019, Australia exported a total of $284B, making it the number 19 exporter in the world. ... The most recent exports are led by Iron Ore $67.5B, Coal Briquettes $51.5B, Petroleum Gas $34.1B, Gold $25.4B, and Aluminium Oxide $5.6B
Infrastructure is underdeveloped is the answer
