Which of Australia’s physical features is circled on the map above?
A. the Central Lowlands
B. the Great Barrier Reef
C. the Eastern Highlands
D. the Western Plateau
{first right answer gets brainlist

Answer is B. Great Barrier Reef

Explanation:

The Great Barrier Reef is near the northeast edge of Australia.

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Explanation:

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first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place.