What is the most effective type of research question?

A(n) __ clause should always be separated from the rest of the sentence by commas

Proofread this excerpt from a review of the film tangled. what type of errors does it contain? walt disney studios is back with another delightful film sure to entertain children and adults alike, hat’s off to the writer and director of this charming little endeavor. they have effectively managed to breathe new life into an old classic: by giving rapunzel's tale a fresh twist, instead of the meek and rapunzel of the original disney story; this retelling gives us a spunky and assertive heroine ready to take command of her own life. a. mixed-up tenses b. incorrect verb usage c. spelling errors d. punctuation errors

Read the following excerpt from the play a raisin in the sun by lorraine hansberry: johnson (this usa woman who decided long ago to be enthusiastic about everything in life and she is inclined to wave her wrist vigorously at the heigh of her exclamatory comments.): hello there, yourself! h’you this evening, ruth? which assumption about johnson is most likely true based on the stage direction? a. her enthusiasm is used to mask her fear of public places