Which part of the human body is more complex the heart of the circulatory system .

All of the following items are important to know when diagnosing an engine driveability problem except for thea. type of gasoline usedb. brand of engine oil usedc. temperature of the engine when the problem occursd. list of previous repairs

What is the meaning of the prefix un-? a. over b. above c. under d. not

Select the word from the list that best fits the definition: statements are list: organization, fluency, word choice, voice, convention, ideas