How are R Markdown documents and R scripts different? $($select one$)$

Group of answer choices

R scripts can be longer than R Markdown documents

R Markdown documents contain code only, and R scripts are a mixture of code and human text

R scripts contain text only, R Markdown documents contain code only

R Markdown documents can be longer than R scripts

There is no difference

R scripts contain code only, and R Markdown documents are a mixture of code and human text

R Markdown documents contain text only, R scripts contain code only