500
What change, if any, should be made in sentence 8? (6) In 1811, Mary and her brother discovered the first fossil of an ichthyosaur, a fish-like lizard. (7) Her brother found the first few small pieces, but Mary found most of the dinosaur's remains. (8) The discovery was written up in a scientific journal, however, Mary did not receive credit for the find.
Change the comma after journal to a semicolon