The threat from acid deposition has been steadily increasing in the 21st century because of the increase in the number of industries during this period. The acid particles get trapped in the atmosphere and falls as raid on earth. These acid particles are increasing with the booming of the industrial sector.
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The answer is a).
Mining generates (in 2014) just $44.7 billion.
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<span>biogeochemical cycles</span>
ANSWER: the ring of fire is a major area in the basin of the Pacific ocean where many earthquakes and volcanic eruptions occur.
Study island but you will have to pay or if younr still in school ask your teacher for a username and password OR.... Try dictionary.com. It has grammar, meaning, and part of speech.
