Ahyperlink is a word, symbol, image, or other object that links you to another element in another location a list at the beginning of a publication that shows the main topics in a book or report and provides page numbers to quickly access material a reference that appears at the top of every page in a document a reference that appears at the end of the document

Option A, a word, symbol, image, or other object that links you to another element in another location

Explanation:

Basically any thing such as a word, statement , image , symbol or even a complete paragraph in a word, excel or power presentation can be hyperlinked to a any other content outside this  file or any other file in any other folder but on the same system. A person clicking on hyperlink will land up on page /content/file/sheet associated with it.

Hence, option A is correct

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

c is the correct answer hope this !