The Great Barrier Reef is the world's largest coral reef system composed of over 2,900 individual reefs and 900 islands stretching for over 2,300 kilometers (1,400 mi) over an area of approximately 344,400 square kilometers (133,000 sq mi).
<h3>
What are coral reefs?</h3>
Coral reefs are underwater structures made from calcium carbonate secreted by corals. Coral reefs are colonies of tiny living animals found in marine waters that contain few nutrients. Most coral reefs are built from stony corals, which in turn consist of polyps that cluster in groups.
<h3>
Coral Reefs of India:</h3>
India has four coral reef areas: the Gulf of Mannar, Andaman and Nicobar Islands, Lakshadweep Islands, and the Gulf of Kutch. Coral reefs protect humanity from natural calamities. They provide revenue and employment through tourism and recreation.
<h3>
Coral Reefs of Australia:</h3>
The reef is located in the Coral Sea, off the coast of Queensland, Australia, and is separated from the shore by a strait that is up to 100 miles wide and 200 feet deep in places. The Great Barrier Reef is the world's largest single structure built by living beings, visible from space.
Learn more about coral reefs here: brainly.com/question/10970167
#SPJ2
The answer is B ..........
Brazil would be the best choice for a year-round agricultural cycle
Answer:
Option D, Oil forms because of geologic heat and pressure and can be found around the world in varying amounts.
Explanation:
Oil existing beneath the earth surface is primarily due to the deposition of organic matter millions of years ago with in the deep earth crust.
This deposition was uneven. With the temperature and pressure, the organic matter converted into fossil fuel (oil, coal etc.)
Hence, option D is correct
Answer:
yes
Explanation:
earthquake early warning system
