The Three Economic Sectors. According to the three-sector theory, all economic activity can be classified into one of three sectors: the primary sector, the secondary sector and thetertiary sector.
It would be tertiary and hospitality i'm pretty sure
Answer:
gulf
Explanation:
It releases bbbles of carbon dioxide
B
The printing press allowed mass production of books that spread new scientific ideas.
D) √9.4 is a irrational number
