Which one of the following words or phrases may be a clue that a sentence is inferring cause and effect?

a. on the other hand
b. consequently
c. before
d. instead of

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel? mark this and return save and exit