Why is encoding important? it codes your thoughts so that you can program your speech for later. it's the way information is first received into the brain. intentional learning occurs prior to it. it's how information is forgotten if you don't pay attention.

It's the way information is first received into the brain.

Explanation:

Encoding is the first step that your brain takes into creating new memories and learning or remembering something, once you hear something encoding tries to figure it out and understand it, so it is very important because it is the way information is frist received into the brain.

the answer is d.index