Which of the following is a formal research method?

Which of the following is a formal research method?
 A) Performing a scientific experiment
 B) Searching the Web
 C) Conducting an interview
 D) All answer choices are examples of formal research methods.

Ques. 2

After, although, as, because, before, except, if, since, and than are frequently used ________ conjunctions.
 a. subordinating
 
  b. coordinating

Ques. 3

Which of the following sentences uses positive language?
 A) Your order cannot be shipped before June 1.
 B) Your August 15 letter claims that your new computer is malfunctioning.
 C) We can't provide a free printer with your purchase of a computer.
 D) We look forward to completing your order when we receive your credit card information.

Ques. 4

If a prepositional phrase modifies a verb, an adjective, or an adverb, it is an ________ phrase.
 a. adjective phrase
 
  b. adverbial phrase

Ques. 5

Shipping Clerk Christina included this sentence in her message to a customer: Pertaining to your returns, we must verify the shipping numbers and lot codes of all outstanding merchandise prior to issuance of a refund. This sentence is an example of
 A) an unprofessional tone.
 B) overly formal language.
 C) a conversational style.
 D) plain English.

Ques. 6

I didn't want to go to the conference without Amy and ________.
 a. her
 
  b. she