Does every sentence have a coma in it?

Which of these statements is evaluative in nature a) the short passage creates a brilliant and sketch of gabriel b) resulting from the fact that gabriel is observant, he is also reflective c) the way gabriel looks at his wife shows that he is a detached onlooker d) that gabriel is observant is evident from the minute details he notices

How does the authors discussion of sujatha baliga's own experiences with abuse and forgiveness contribute to the text

What happens to lovers when there are decreased levels of serotonin in the brain?