Sometimes English learners get confused with some words which sound exactly like portuguese but their meanings are different from what they think they mean. Two of these words are : coma and comma. Their meanings, spellings and their pronunciations are different too. Click on the links to check this information,ok ?
http://www.macmillandictionary.com/dictionary/british/coma
http://www.macmillandictionary.com/dictionary/british/comma
Now watch this video to understand the Importance of the Serial Comma ,ok ? You can also read about the Serial Commas clicking on the two links below.
Enjoy !
The importance of serial comma
https://www.grammarly.com/blog/what-is-the-oxford-comma-and-why-do-people-care-so-much-about-it/
Resolva exercícios e atividades acadêmicas
https://www.grammarly.com/blog/what-is-the-oxford-comma-and-why-do-people-care-so-much-about-it/
Encontre o professor particular perfeito