Many works by mark twain were published before 1923. in addition, there are other works that were discovered after his death and published in the 1960s. which of the following items are no longer under copyright protection?
the complete collection of mark twain.
commentary on mark twain’s work.
everything published by mark twain before 1923.

The blank is type of decision-maker who over analyzes information

You are almost finished updating a web site. as part of the update, you have converted all pages from html 4.0 to html5. the project is currently on schedule. however, your project manager has been asked by the marketing team manager to justify a day of time spent validating the site's html5 pages. the marketing team manager does not have technical knowledge of the internet or the web. which is the most appropriate explanation to provide to the marketing team manager?

What characteristic of long period comets suggest they come directly from the oort cloud?