An internal node is a node which carries at least one child or in other words, an internal node is not a leaf node.
The tilde operator represents the root directory of the website.
Click Insert
click Picture
click From File
select the desired picture and again click insert
right-click the picture
click Insert Caption
write the caption and add it
Answer:
hyperlink
Explanation:
Hyperlinks render as underlined by default, so that's my guess.
Answer:
I am explain you in image
