When writing an explanatory essay, why is it important to cite all of your sources?
a. to convince the reader that your essay has a formal tone
b. to demonstrate to the reader that your claim is unique
c. to let the reader know where your evidence comes from
d. to show the reader that your essay will be interesting?

c.to let the reader know where your evidence comes from

Explanation:

The essay is a type of prose text that analyzes, interprets or evaluates a topic. It is considered a literary genre within the didactic genre. The most representative classic characteristics of an essay are:

• It is a serious and well-founded writing that synthesizes a significant topic. Which is intended to argue the issue.

• It has a preliminary, introductory nature, of a preparatory nature.

• Presents arguments and supported opinions.

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

the federalist party which advocated strong centralization dominated the united states government till 1800. so 1800 election transformed the power from one party to another party for the first time and was thus a turning point in american history. so jefferson called it "revolution of 1800".

explanation: