Question

1)what is coral reef?
2)What is great barrier reef?
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Answer 1

Answer:

Question ⬇️

1)what is coral reef?

Answer ⬇️

A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. ... They are most commonly found at shallow depths in tropical waters, but deep water and cold water coral reefs exist on smaller scales in other areas.

Question ⬇️

2)What is great barrier reef?

Answer ⬇️

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 kilometres over an area of approximately 344,400 square kilometres. The reef is located in the Coral Sea, off the coast of Queensland, Australia.

Area: 348,700 km²

Location: Off the east coast of the Queensland mainland, Australia

Answer 2

Explanation:

Ans 1:-

A coral reef is an underwater ecosystem characterized by reef-building coral.

Ans 2:- the above photo