Answer:
1. Compare the average global temperatures from the early 1900’s and the early 2000’s. How has the average global temperature changed over the last century?
Explanation:
Answer:
True
Explanation:
Colombia supplies around 90% of the emeralds on the world market, mainly from the Muzo, Chivor, and Coscuez mines. Muzo is the oldest and most well-known, Chivor emeralds are noted for more bluish colors that are considered higher-quality, and Coscuez emeralds show various properties.