Acoral reef is a a. marine organism b. deep sea plant c. fragile, highly complex community d. all of the above

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

Use your vocabulary words to complete the sentences below. australia and new zealand are in nature meaning they are located between temperate and tropical climates. oceania, on the other hand, has a tropical climate with numerous island chains, many of which are home to , which are islands made from coral. this entire region rests on the edges of plates, and therefore they are prone to earthquakes, volcanoes, and tsunamis. since most of the islands were formed from volcanoes, rock can be found everywhere.

Which country has the largest salt flats in the world