The Huang He caused a flood in Florida.
Answer:
It is important because:
Explanation:
It is one of the largest reserves of natural gas found in the country, and adds considerably to the natural gas supply. The reason the formation is so important lies in its economic significance. Shale gas is much cheaper than oil, and the Marcellus Shale significantly enhances our reserves.
Hope this helps!~
Florida was covered in the sea during that time so there is mostly just fossils of marine organisms