settlement that has houses made of stone, adobe, and wood
I'm not 100% sure... but I would say B.
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.
You didn't give your choices but sin 21 equals 0.358.
