Answer:True friends are identified by their actions
Explanation:whether they are big or small, actions that indicate loyalty, honesty, trustworthiness, or a willingness to separate true friends from casual friends
Assuming that you're referring to Matt Cutts' 30 days challenge speech on Ted Talk,
He used an effective opening, in which he told the audiences why he's speaking while clearly stating his main points. He keep the audiences interested by referring them to something that the audience could relate to and an effective closing to persuade the audience to try his challenge
The proper collection of a specimen for culture is the most important step in the recovery of pathogenic organisms responsible for infectious disease. A poorly collected specimen may lead to failure in isolating the causative organism(s) and/or result in the recovery of contaminating organisms.
