What does a comma do to a sentance plz help"

Proofread the passage and identify the spelling and punctuation errors. no one knows the exect cause of diabetes. most people who get type 2 diabetes are older, but now younger people are being diagnosed with it. like many young people, you are probably thinking, "why should i be concerned about diabetes? " the truth is that both the center for disease control and the american diabetes association are quite alarmed about the increase in type 2 diabetes among young people. information gathered in the 1990s showed a rapid increase in type 2 diabetes in children. during the 2000s, this trend is continue. scientists who study diabetes are finding that 85 percent of the children who are diagnosed with type 2 diabetes are overweight. but that is just one reason for the increase. children are at risk for type 2 diabetes if they are inactive, have a family history of diabetes, or are from african american, american indian, or asian american families.

What does the word subordinate mean in this sentence? the office manager spoke to her subordinate in a cordial tone.

Read the passage below and answer the question. marcus had a reputation for being craven. no one had ever seen him do a single brave thing. using context clues, how would you define the word craven in the passage? intense courageous cowardly thoughtful