The answer to this is C :D
The <DEL> or <Delete> key makes the first character AFTER the cursor
disappear, and everything after it then moves back one space to close up
the hole.
Example:
If I have this in my document ... Most trees are green.
And my cursor is after the 'a', like this: Most trees a|re green.
Now, if I hit the <delete> key, it deletes the
'r' after the cursor, and the hole closes up,
and the cursor stays where it is: Most trees a|e green.
The clearer the resolution screen is it is better seen through the graphics. Say you have a bad computer screen, well your graphics are going to be bad. The better and higher quality it is will be the better you can see your images.
Answer is the son-father-grandfather concept. Good luck