Question

add or remove commas, if necessary, until the sentence has correct punctuation. from the international space station rihanna sent an email to my science class.

Explanation:

The phrase "From the International Space Station" is an introductory pre - positional phrase. Commas are used after introductory elements in a sentence to set them off from the main clause.

Answer:

From the International Space Station, Rihanna sent an email to my science class.