Well, tourism is the largest commercial service industry in the world.
Some sources list tourism at the largest indistry in the world, but this is difficult to measure. Generally, most sources say that food is the largest industry, followed by either Tourism or oil industry or communication.
The problem with this is that it's hard to distinguish: communication and oil are also used in tourism so the same activity can be a part of more than one sector. I would say that D is the best answer, but the question should specify the source it is referring to.
I think the answer is the appropriation occurred in a news program.
Answer: Observational learning
Explanation:
Here, in this particular case our learning is most likely to be an example of the <em>observational learning</em>. Observational learning is referred to as the learning that tends to take place through monitoring the behavior and activities of the other individuals. It is most commonly known as the form of cordial learning that further takes various forms. Here, the process on switching on the TV and changing channel could have been learned from watching his/her parents.