The fourth alternative is correct (D).
All descriptions are correct and must be followed to compile a list of references. First, check out what owner will say about it. Second, ask permission and third, if allowed, thank, as a good rule of education. Meeting these requirements you will have no copyright issues.
Answer:
Just write what you enjoyed doing in this summer
try but your mom chanel is gliching
The correct answer should be C) bias
If the person works for a national energy company there is high chance that the person would be a bit biased towards installing the new systems. This should definitely be checked.