What is it about an experiment that enables us to talk about a single variable as being "the cause" of some behavior? the supplemental reading describes a hypothesis that people who drive sports cars drive more aggressively. briefly outline an experiment that you would do to test this hypothesis – what groups?

Which two words in this excerpt from the count of monte cristo can be used as synonyms to determine the meaning of the word grotto? dantès entered the second grotto. the second grotto was lower and more gloomy than the first; the air that could only enter by the newly formed opening had the mephitic smell dantès was surprised not to find in the outer cavern. he waited in order to allow pure air to displace the foul atmosphere, and then went on.