Which sentence best describes the structure of "Discovering the Bends," the first article about decompression sickness? -The article describes the steps in a scientific process.

-The article explains the history of scientists' knowledge of a concept.

-The article defines a word and then provides lots of examples.

-The article describes what happens when a problem is ignored.​

4

Explanation:

- "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."

can you be more do you have options/ if so, you can put it in the chat or edit your question (

well, i hope this at least : ) :

noun: a temporary state of mind or feeling.

adjective: (especially of music) inducing or suggestive of a particular feeling or state of mind.

examples:

hope this ! : )