Where do I place commas in this sentence; Snails barnacles coral and sea urchins produce their rigid parts by combining calcium
and carbonate ions.

Answer the question find a book and find the answer to this question

Edgar allan poe uses many sound devices in his poem "the bells." which two words from the poem are examples of onomatopoeia?

The institute of international research is holding its annual convention. this year more than 500 scholars have been invited to hear research reports on many timely topics. approximately 250 big name scientists will be winging their way to washington, d.c. how can the underlined sentence be revised so that it fits the tone of the passage? a) approximately 250 people will be in washington, d.c. b) approximately 250 bigwigs will be flying to washington, d.c. c) approximately 250 science people will be going to washington, d.c. d) approximately 250 well-known scientists will be arriving in washington, d.c.