What is key to remember when handling linked lists?

Which number on the image above correctly indicates the name of a folder in this url? a.1b.2c.3d.4

What are the 12 colors of the spectrum called?

John recently worked on a project about various programming languages. he learned that though procedural language programs are useful, they have disadvantages too. what is a disadvantage of programs written in procedural languages? a. programs do not represent data complexity. b. programs take more time to execute. c. programs are prone to security threats. d. programs do not interface with multiple platforms.