how to do both questions? also, pls briefly explain thanks!!!!

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secondary 3 | Biology
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secondary 3 Biology

how to do both questions? also, pls briefly explain thanks!!!!

Date Posted: 7 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Changed my answer due to some errors.

Date Posted: 7 years ago