What is a characteristic of coral reefs

Trade routes emerged along which coast when arab and indian traders from around the indian ocean mixed with the bantu people from africa's interior? a. swahili coast b. guinea coast c. drakensberg coast d. namib coast

Ron is moving to oceania because his mining company recently opened a new operation there. to which of the following islands is ron most likely going? a. papua new guinea b. bikini atoll c. tahiti d. palmyra atoll

Explain the reason for having an equator and a prime meridian. how do these two lines us to navigate our world? describe your opinion in at least two to three sentences.