For 2.a the table is linear and the difference is 0.5
For 2.b the table is non- linear because if you divide y from x for each pair then it should all be the same number but it`s not.
Organizing sentences around a central idea creates a paragraph.
<span>I believe from reading it would be "teaches them to fly kites and shoot marbles".
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The third sentence. An abstract noun is a noun you can’t physically see or touch (examples of this are usually emotions like love, hate, excitement, etc). In the third sentence, opinion is a noun. You cannot see or touch an opinion.
Not something they’re able to get for one another!