Select the punctuation mark that needs to be added to this sentence. my car is broken therefore, i have to ride the bus this week. a. colon b. semicolon c. comma d. no punctuation mark is needed.

How is president obama using an appeal to reason, or logos, in this excerpt? by explaining why each person must work hard in order to succeed by explaining why working together is necessary for success by explaining why attempts at working together in the past failed by explaining why each person must look out for him or her self