Traingles have been voted worst math chapter, now worst science chapter

Here are some rules: 1.Most upvoted comment’s chapter will be selected 2. Please try to stick to subject and class asked 3. If the chapter you are about to comment has been already commented, upvote it instead of writing a new comment.

Good luck!

Here are some rules: 1.Most upvoted comment’s chapter will be selected 2. Please try to stick to subject and class asked 3. If the chapter you are about to comment has been already commented, upvote it instead of writing a new comment.

Good luck!