Why Many People Mistakenly Search For Which President On One Hundred Dollar Bill Is Featured On The Currency

I have flunked the exam, that is why i am attending coaching classes.

Why Many People Mistakenly Search For Which President On One Hundred Dollar Bill Is Featured On The Currency 1

I have flunked the exam, which is why i am attending coaching classes.

Is there any change in the meaning of sentence.

Good explanation of why it's optional in this case, although i'm not convinced that reason is the only reasonable antecedent of why.

For example, the explanation why is a common usage,.

Why Many People Mistakenly Search For Which President On One Hundred Dollar Bill Is Featured On The Currency 5

Why is it that everybody wants to help me whenever i need someone's help?

Why Many People Mistakenly Search For Which President On One Hundred Dollar Bill Is Featured On The Currency 6

Why does everybody want to help me whenever i need someone's help?

Can you please explain to me.

Why should the first person pronoun 'i' always be capitalized?

I realize that at one time a lot of nouns in english were capitalized, but i can't understand the pattern of those.

Why Many People Mistakenly Search For Which President On One Hundred Dollar Bill Is Featured On The Currency 10