Answer:
Libraries
Explanation:
Document itself is a folder and is not a heading by the way.
Local simply means on the machine you are working and does not have default folders.
Desktop is name of screen which is used as a gateway for using windows.
So, they cannot be correct answers.
It's Insert. Insert > Page > Insert Page
To Change the Drop Shadow Just Go to effects on the photo go to drop shadow than change the spread and Distinse and Opasity.