When using the note-card system, what goes in the upper right-hand corner of the card?

In the top right corner of the note card should be the information related to the search sources.

Explanation:

When using the note system, the upper right corner of the card is reserved to show the search references, that is, the search sources. Therefore, information such as the name of the author, name of the book, magazine or website, number of the page that served as the source of the research, identification number of the magazine, and other information should be placed.

they would have to clean it very clean

pandas are endangered because of habitat destruction by humans.

as of 2014 there were around 2,000 left, since then, it supposedly has risen 17%.

they are a very endangered species.

-theoneandonly003