Answer:
Natural resources are important to study, because they're drivers of modern economics. The natural resources of Australia include most famously coal, iron ore, and gold. Metals like iron ore and gold total 28% of Australian exports, but coal isn't far behind at 18%.
Explanation:
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--ALASKA
GDP is known as a lagging indicator.
Unemployment rate is also a lagging indicator.
Inflation is a lagging indicator.
Pretty sure National debt is not considered an economic indicator.
Answer:
It could be b but I'm pretty sure it's C. CCC