The Montreal Protocol<span> on Substances that Deplete the Ozone Layer (a </span>protocol<span> to the Vienna Convention for the Protection of the Ozone Layer) is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion.</span>
The cotton gin, a machine that revolutionized the production of cotton by greatly speeding up the process of removing seeds from cotton fiber
Answer:
An outbreak of pneumonia of unknown etiology in Wuhan City, Hubei Province, China was initially reported to WHO on December 31, 2019. Chinese authorities identified a novel coronavirus (i.e., SARS-CoV-2), which has now resulted in millions of confirmed human infections globally.
Explanation:
I think it’s 2,3 and 5. Hope this helps:-)
Despite isolationist sentiments, after the War, the United States became a world leader in industry, economics, and trade. The world became more connected to each other which ushered in the beginning of what we call the “world economy.” :)
