Which source would be most effective in answering the following research question: What is meant by the term “clean coal,” and can
coal ever be clean? Write a research paper defining “clean coal”
and exploring technologies that purport to make coal mining
"clean."
Select one:
A. An interview with an oil rig worker
b. An article about coal mining pollution
c. An encyclopedia article about the history of coal mining
d. A speech in which the president touts increasing clean coal jobs

Which statement is general rather than specific? a) "marian anderson was one of my favorite singers." b) "next thing you know, everything changed for marian." c) "she was born in philadelphia, the oldest of three girls." d) "marian's remarkable life story was an inspiration to me."

Does any one read this story "when mr. came to dine". in 9th grade. plz i need with one question about this story?

He said it was because a private detective sees the dark side of human nature. but whatever the reason, gill landers had an innate suspicion of politicians. when senator randy brill walked into his office on that summer day in august, mopping his flushed features with a monogrammed handkerchief, gill could think of no good reason to change his attitude. he'd only met brill once. that had been two years ago at a country club reception for state political notables. since then, he'd learned all he wanted to know about the senator's sinister reputation. gill sat back in his chair, put his feet on his desk, and fought to keep a poker face. but there was no way he could stop the chill that coursed along his spine like a rush of ice water. 29. in this paragraph, the word notables probably signifies that the persons so described a. would like to be politicians. b. are wealthy people. c. have political influence. d. are contributors to charity.