What is the best conclusion for the essay?

a) coral reefs are populated with thousands of types of animals. forests also provide homes to thousands of animals. squirrels, bears, and various types of reptiles are just a few of these animals.

b) coral reefs prefer temperatures between 70 and 85 degrees fahrenheit. this is why they are found off the coasts of africa, india, australia, and brazil.

c) many travel companies offer tourists a chance to explore coral reefs. they can go on a guided tour by boat and use special gear to them breathe with their faces under water.

d) it’s very important for people to protect coral reefs. the reefs we have today started to grow thousands of years ago. it would take a long time for them to grow back if they were destroyed. scientists who study the reefs try to learn more and more about how they work. the information they learn will us keep the reefs safe for years to come.