"Secondary sources were created by someone who did not experience first-hand or participate in the events or conditions you're researching. For a historical research project, secondary sources are generally scholarly books and articles. A secondary source interprets and analyzes primary sources."
They didn’t sleep well because they were hot and kenneth kept sweating
Answer:
when the employee will spend best of time with company "they will feel attachment like family" these kind of activities promote harmony and good feeling with each other
I would think that D is the correct answer.
"The firefighter looked exhausted"
Hope this helps!