1. How do the introductions to the different editions of The Negro Motorist Green Book change over time? What do you suppose is the reason for the changes? Use evidence from
the text to support your response.

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."

the krebs cycle and electron transport occur in the mitochondria, though other than that i would need to know more information.

there is no picture just let me know what it is and i can you tho : ) mark me the brainliest ? have a good day

i am a pokemon hahahhahahaha