Answer: Wind
Explanation: It surrounds us.
The Northeastern United States<span>, as defined by the U.S. Census Bureau, covers nine states: </span>Maine<span>, </span>New Hampshire<span>, </span>Vermont<span>, </span>Massachusetts<span>, </span>Rhode Island<span>, </span>Connecticut<span>, </span>New York<span>, </span>New Jersey<span>, and </span>Pennsylvania. All were among the original thirteen colonies settled in the seventeenth century (though Maine and Vermont were considered part of other colonies at the time) and joined theUnited States of America<span> upon independence in 1776</span>
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 .