Answer: Positive externality
Explanation: Positive externality is the concept in which the service produced and the consumption of that service will provide benefit a third party who is not a part of the process.
While producing fertilizer , it is providing a unintentional benefit to the community surrounding(third party) by keeping the insects away through exerting gases so that they don't cause insect bites or other problem.
Other options are incorrect because negative externalities are negative consequences face by the third party in a process. Comparative externality is related with comparison and pecuniary externality is increment or decrement in market price of service by action of economic actor .
The correct interpretation of this case is that antibiotic A is the only one that effectively fights the patient's bacteria.
<h3>How to interpret the results?</h3>
To interpret the results of this case, we must take into account the manifestations that occur with respect to the antibiotic samples A, B, C and D and their reaction with the bacteria in the patient's wound.
According to the above, it can be inferred that antibiotic A eliminated the bacteria, while the other three antibiotics allowed the proliferation of bacteria.
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The opposite of the view that <span>the sexes are socially, politically and economically equal is that one is superior - and it is typically the male sex that is seen as superior. Thus, such a movement is based on strengthening female rights.
Therefore I think that this movement is called feminism. </span>
The percentage of people who develop alcohol dependence some time in life if they start drinking after 21 is 9%.
<h3>Why is it recommended to only drink after 21?</h3>
Of the people who begin to drink earlier than 21, more than 30% of them will develop alcohol dependence at some point in their lives.
Those who start drinking after 21 however, will have more control which is shown by only 9% of them developing alcohol dependence later in life.
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