Hello,
It was established in 1935 by the American geologist Charles Francis Richter. This is a so-called logarithmic scale: an earthquake reaching 5 on the Richter scale is in fact 10 times more powerful than an earthquake of magnitude 4. In principle, this scale has no upper limit
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Answer: A) Under emissions trading programs, pollution levels will not fall sufficiently for optimal abatement.
Explanation:
First conceived in the seventies to fight acid rain and now useful in the battle against climate change, emissions trading is a program targeted at reducing emission by companies.
Under this scheme, every company that produces emissions will need to hold a permit for a limited amount. If they produce more than their stated limit, they would need to buy from other permit holders who produce lower emissions.
While this program can set a limit of total emissions, it will not succeed in reducing pollution levels below this limit.
