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Which of the following that best describes the pentatonic musical scale? a. A five-tone scale
b. A seven-tone scale
c. A nine-tone scale
d. A four-tone scale

Which of the following statement about conflict in the workplace is true?

Which statement most strongly develops a positive tone? a. i was happy when i received my first paycheck for my hand work. b. winter break is approaching quickly, and i cannot wait to go shopping for gifts. c. going to the beach is one of my favorite activities; i love surfing and paddle boarding. d. a sense of accomplishment overwhelmed me as i stepped into into the stage that sunny, glorious day of graduation.

What did mark twain contribute to the history of the novel? select all that apply.