The correct answer is A.
It's is short for it is.
Use its to show possession. For example in sentence B, it's should be its because the dog is the 'owner' of the tail.
Answer:
George had many perishable ingredients of organic origin to make the sandwich. We can see this when he says he planted and harvested all the vegetables necessary to carry out the project.
He probably needed conservation processes and equipment that would keep these products good during the six months of project execution. George did not build the conservation equipment, nor did he create the conservative methods that the equipment uses, which shows how unlikely he was to do the project completely on his own.
I think it is the first on
"Thank you for your consideration"
"I look forward to meeting you/potentially joining your organization"
"I believe I'm a good candidate for this job"
Stuff like that.
Answer:
Long question good luck:)