X=-3.5 is the answer if you are allowed to have negatives as your answer
Answer:
Library of Congress (LOC)
Explanation:
A library also known as a bookhouse can be defined as an institution having various collection of books and other informative materials that people can read to gain more knowledge, insight and motivation about a particular topic. An example of a library is the Library of Congress (LOC) located in Washington DC, United States of America.
Library of Congress (LOC) refers to the research library used by the Congress of the United States of America to provide or gain access to a diverse and rich source of knowledge (informations) about things, places, animals, plants, people, etc.
Basically, it comprises of millions of literary works such as manuscripts, books, photographs, maps, recordings, newspapers in its collection and as a result of this, it is known to be the largest library in the world.
The Library of Congress (LOC) offers users an "Ask a Librarian" feature to inquire about the library's collections. Therefore, users can easily make enquiries from a librarian on any thing they aren't clear about using the Library of Congress (LOC).
Answer: 2) increasing opportunity costs.
Explanation:
The Production Possibilities frontier is bowed out as it shows that for one more unit of a good to be produced, an additional unit of the other good must be given up.
This represents increasing opportunity costs because opportunity cost is the cost we incur for choosing one alternative over another. By producing more and more of one good, we give up more and more of the other good which means that our opportunity cost rises.
Answer: chemical fertiliser refers to any number of synthetic compound substances created specifically to increase crop yield.
Some examples of chemical fertilisers are ammonium sulphate, ammonium phosphate, ammonium nitrate, urea, ammonium chloride.
