In paragraph 5, how does the statement "The humorous story is told gravely" refine the author's main idea?
1. It explains why the plot of a humorous story is
more important than its delivery.
2. It suggests that a humorous story can last
forever because of its artistic nature.
3. It gives the most common reason why people
fail when telling a humorous story.
4. It reveals that what makes a humorous story
difficult is pretending it is not funny.

The difference between tax advoidance and tax evasion

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Which scenarios are most effectively explored by conducting an experiment? there is more than one correct answer. select all that apply. researchers want to study the effectiveness of a particular drug for treating migraines. they want to know which dosage of the drug yields the best results with the least side effects. to ensure fair results, the researchers want to ensure that participants and dosage administrators do not know which dosage participants receive. a teacher wants to plan a class fieldtrip and quickly determine where students prefer to go for the class fieldtrip. a car mechanic wants to know which of two engine brands makes better-performing engines. he wants to test the engines in identical situations and rate their performance in a way that can be fairly measured. a chemist studies the properties of a metal compound. she wants to know how the sample size of the metal affects its ability to conduct electricity. she wants to conduct the research in a controlled environment to minimize bias. a realty company wants to know the average income of its clients. the company wants to gather data income from current clients.