Need help with question 10, kind of unsure how to do. Any help is very much appr

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secondary 4 | Chemistry
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secondary 4 Chemistry

Need help with question 10, kind of unsure how to do. Any help is very much appreciated. Thanks :)

Date Posted: 7 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

here u go

Date Posted: 7 years ago