explanation writing.

WALT: we learn about the Great Barrier Reef and

righted all else stuff that we learnt and put it into a explanation writing.

The Great Barrier Reef

The Great Barrier Reef is the largest reef in the world and one of the seven natural wonders of the world. If you didn't know, it is half the size of Texas and also the size of 70 million football fields. If you don't know how big  a football field, it is 360 feet wide. The Great Barrier Reef  And it  is 5 million years old Today.

One of the reefs main threats is global warming. Global warming is heating up the Earth and when the coral is white it is technically dead.

One of the reefs other Threats are the Crown  of thorns starfish. The tritons, which grow up to half a metre in length, are a natural predator for the crown of thorns starfish. The snails eat the coral  them, as well as sea cucumbers and other starfish.

Human impact on The Great Barrier Reef  is significanting Damaging activities include coral mining, pollution organic and non-organic, overfishing, blast fishing, the digging of canals and access into islands and bays. Other dangers include disease, destructive fishing practices and warming oceans  and making Corals die especially the Great Barrier Reef.