Explanation:
The sense of smell depends on the sensory receptors which responds to the airborne chemicals. Olfactory receptors are also known as smell receptor or protein capable of binding the odour molecules which plays a important role in the sense of smell.
The smell of the chemicals produce s a burning sensation inside the nose. This is because the chemicals in the solution binds to the branches of the trigeminal nerve in epithelial lining. As a result of which the olfactory receptors sends a signal to our brain and it causes a burning sensation in the nose.
Answer:2. Snowball sampling
Explanation: Snowball sampling refers to a research in which once participants behave been recruited for a study they can also recruit other participants that they know. This is useful when it is hard for a researcher to find potential participants. The name of this research comes from the fact that when you roll down the ball made from snow it will pick up some other particles along the way and it will keep getting bigger and bigger.
The answer is C-Persuasion.
Answer:
D). Those on government assistance.
Explanation:
As per the question, 'the group on government assistance' is more likely to form letters, participate in community activities and along with that they would contact the political leaders or protest against the opposing authorities and contribute their time as well as money in a various political campaign. These groups show more participation in such events and are more likely to be involved in these campaigns <u>because they are being assisted by the government economically and politically both to get their(government's) ideologies successfully conveyed to the common public through these groups and take the lead in elections.</u> Therefore, <u>option D</u> is the correct answer.