They knew hit and run attacks called guerrilla warfare
Tropical hunters & gatherers
Answer:
The great barrier Reef
Explanation:
The reef is located in the Coral Sea, off the coast of Queensland, Australia. The Great Barrier Reef can be seen from outer space and is the world's biggest single structure made by living organisms.
I want brainliest please
The definition of a developed country is "a sovereign state that has a highly developed economy and advanced technological infrastructure relative to other less industrialized nations."