Mark's action on the given scenario above is that he is showing courtesy. Courtesy is a way of showing politeness towards other people. This is shown where Mark ended the call because Kelly already arrives. He prioritizes Kelly first because he does not want to make her wait and she's already there to see him.
The answer is "trade barriers"
The correct answer to the question above is:
D. Quantitative
<span>Quantitative research approach is used in this
scenario because the participants are asked to choose among the most functional
mobile phone and compare them with other options. The data gathered from
participants are then analyzed to make a substantial result. </span>
Answer: i think a career path
Explanation: