Answer:
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Explanation:
By creating high-paying jobs and providing the raw materials essential to every sector of our economy, minerals mining helps stimulate economic growth. These domestic raw materials—along with recycled materials—were used to process mineral materials such as aluminum, copper, and steel worth $766 billion.
Answer: They existed for a short span of time.
Explanation:
Index fossils are also referred to as the indicator fossils and they are simply used to define the faunal stages.
Some of the characteristics possessed by the index fossils include:
• geographic distribution that's wide
• short vertical range
• rapid evolutionary trends.
The correct answer is letter D. an economy based on trade. The people who migrated to Melanesia developed <span>an economy based on trade. Before the time of currency was used, people back then do trading with their property they own if they want to have something. It's like the same as the barter system or the barter economy.</span>
