A medical researcher experimented with the effects of calcium intake on the healing time of broken bones. Peop
similar broken bone injuries were divided randomly into two groups, one of which received a calcium supplemer
which received a placebo. The data showed that there was no significant difference in healing times between the
the researcher concluded that calcium intake has no effect on bone healing time. Why is the conclusion of the re
justified?
The researcher did not use a control group.
The bone injuries in different people cannot be compared.
The overall calcium intake of the two groups was not considered.
The data can only give a statistical probability, so no conclusion can be made.

You are reading an informational text for english class, and you find a lot of words you don't know. your teacher says you don't need to look up all of them in the dictionary, only the ones you need to get the main point of the text. how could text features you figure out which words to look up?

In a 10-12 sentence response-style paragraph, explore the degree to which you agree or disagree with faulkner’s message. “i believe that man will not merely endure: he will prevail. he is immortal, not because he alone among creatures has an inexhaustible voice, but because he has a soul, a spirit capable of compassion and sacrifice and endurance. the poet's, the writer's, duty is to write about these things. it is his privilege to man endure by lifting his heart, by reminding him of the courage and honor and hope and pride and compassion and pity and sacrifice which have been the glory of his past. the poet's voice need not merely be the record of man, it can be one of the props, the pillars to him endure and prevail” (faulkner 773-775).

While in prison, malcolm's introduction to the elijah muhammad's teachings forces him to reflect on his own past experiences. why do those experiences persuade him to join the nation of islam? what, in malcolm's experiences, draws him to an activism more militant than the nonviolent activism of martin luther king jr?