The abundant yield of , currently more than 80 million tons per year, is just one of the many services proved to humankind by the world ocean.

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

hope this

i am brianly

sorry if this doesn't

answer; one person; monarch;

answer; eurasia;

answer; clear and present danger test;