Answer:
Acid rain
Once the primary pollutants enter the atmosphere, they mix with the water vapor droplets in the air to create smog - this is where the term smog originates, it is a combination of the words "smoke" and "fog." As it mixes with the water vapor, the sulfur dioxide molecules undergo a number of chemical reactions, and
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Answer:
In 1970s and early '80s policies become stricter in china.
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The approximate average ocean depth along the continental shelves bordering North America is 3958m. The average depth of the continental shelf, however, is 200m
The geographic term “Asia” was originally used by ancient Greeks to describe the civilizations east of their empire. Ancient Asian peoples, however, saw themselves as a varied and diverse mix of cultures—not a collective group. Today, the term “Asia” is used as a cultural concept, while subregion classifications describe the distinct geopolitical identities of the continent. These classifications are Western Asia, Central Asia, Southern Asia, Eastern Asia, Southeastern Asia, and Northern Asia.
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