Answer:
is the only mass extinction event to have occurred
Explanation:
Costa Rica is located on the isthmus between the North and South America and like all the countries in this Isthmus it has the Atlantic Ocean to the east and the Pacific Ocean to the West. However to the immediate east of it is the Carribean Sea, which is part of the Atlantic Ocean (d is the correct answer)
Bauxite ore
Australia
China
Guinea
Brazil
All of them are correct, reasons why, without it we would die of dehydration, the longest we can live w/out water is up to 6 days.