I need permission to copy when I'm at school.
You do indeed need permission to write an adapted screenplay. This is to make sure you are following the copy rights.
Typically you would first need permission of the copyright holder.
It depends what the book is, how much you need to copy, and what you're copying it for.
Unless it would qualify as "fair use" you will need to ask permission of the copyright holder.
Unless you have the rights or permission to copy a DVD, never.
Photographers will keep a copy of the image without the watermark. If they have given you the rights to the image or permission to use the image without the watermark then they will provide you with that copy.
You should always obtain written permission before posting anyone's picture or likeness on any website or blog. If written permission is given in E-mail, make sure you print it out and save the paper copy.
If you or someone profits from the lecture then you are required to get permission from the owner of the copy right. To be totally legal you would need their permission to use it for anything other then your personal viewing.
Yes. It is illegal to copy and paste music and movies. You need expressed permission from the labels to do that. That's what copyright protection is (and DRM).
No, because it is considered "sharing" music.
i think they do
Yes it is