Which are examples of primary sources? Check all that apply. diary
newspaper article
biography
photograph
speech

Michael has written an e-mail to his employees that describes a new product special that will be introduced to the customers next week. by taking time to make sure the e-mail is well written, logical, and organized, michael has made sure his message has the characteristics of a) effective communicationb) ineffective communicationc) barriers to communicationd) workplace communication

Answer these and get 40 points and brainliest

Aman travel 200m towards east< br /> from his house then takes left< br /> to turn and moves 200 m north< br /> find the displacement & distance.< br />