The type of supporting material that you employ in an essay is directly related to the claim that you make in your paper. Different claims and arguments require different levels of evidence and support. Moreover, the type of support they need will also vary. Some claims might need numerical support, while others might need the consensus of experts.
For example, imagine a historical essay that wants to prove that World War II was more deadly than World War I. This essay would most likely need statistical evidence that would come from public records. Compare this to an essay that argues that World War II had a deeper impact on culture and society than World War I. This essay will require different types of materials, such as essays written by other people supporting either position.
The correct answer is the last option: If you take away the suffix –n and the prefix un-, the root word is “know”.
Prefixes and suffixes are sets of letters that are added at the beginning (prefix) or end of a word (suffix). They are not words by themselves, but they do change the words' meanings or categories.
In this case, the root is know. The suffix -n is used to change the word's category from verb (know) to noun (known). While, the prefix un- is used to mean NOT. As a result the meaning of the word UNKOWN would be not known or familiar.
Answer:
(4) Some studies suggest that texting doubles a driver’s reaction time to roadway hazards.
Explanation:
Sentence (4) states that some studies have suggested that if drivers text during driving, their reaction time to roadways hazards doubles as compared to when they don't text during driving.
Sentence 1, and 2 do not say anything about texting.
Sentence 3 although talks about text conversation as a common distraction, but it does not suggest impairing the drivers as strongly as it does in sentence (4) i.e doubling the response time.
