4, The grain size would be sand, and the rock name would be sand stone.
The Great Barrier Reef is the world's largest living structure. It is made up of around 2900 individual reefs and 900 islands. ... Climate change is perhaps the biggest threat to the Great Barrier Reef. Warmer ocean temperatures put stress on coral and lead to coral bleaching.
When the temperature rises the ice in antarctica will melt causing the sea levels to rise. I think that is the answer. hope it helped
Answer:
c
Explanation:
because it the body in the solar system
