PLS HELP, WILL REWARD BRAINLIEST ASAP!!

Asegment whose endpoints are points on the edge of the circle are whatps: i ment to put this under geometry i apologize ; ;

The action of eventually a low island to form. a. wind b. waves c. volcanoes d. tectonic plates

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.