Well, it kind of depends what you're advertising for. Here are some of the ones that came up to the top of my head when I thought "commercial".
"Buy now!"
"Parts sold separately."
"Vote ______!"
"_______ is not responsible for any tragedies."
"Consult with your doctor before taking ________."
"*name of the product, and then catchy slogan*"
1. D. Argumentation
Argumentative essays is a genre of writing where a certain topic is discussed, explored and inspected. It often makes use of empirical research. The writer then chooses a side on the topic, explaining his opinion on the matter in a compelling, evidence-based essay. It usually uses first person to make the writer's ideas and stand on the issue clear and concise.
2. B. Credible
Sources are the basis for informed opinion. Thus, it must be credible.
Answer:
Siddharth can save the bird predator can think to kill the bird
