Answer:
A). External noise.
Explanation:
'External noise' is demonstrated as the noise which ensues in the surroundings instead of the individual(speaker) himself/herself. Such noise could be very distracting as well as disturbing at the same time that may prevent a person from concentrating on a specific goal or objective.
In the given situation, Jason similarly experiences the 'external noise'(environmental factors) that averts him from paying attention to the lecture delivered by the Professor in the class. The environmental factor('uncomfortably warm') interferes/distracts him and hampers his concentration. Therefore, <u>option A</u> is the correct answer.
This creates imagery, it calls to your senses and creates and image in your mind
Indroduction - Washing our hands is essential to
prevent the spread of infectious
diseases.
Body - Germs pass from our hands to our
mouths when we handle food with
unwashed hands. A number of infectious diseases such as
influenza, hepatitis A, or gastroenteritis
can spread from one person to another
through touch. A good practice is to wash your hands
with liquid soap for 15 to 20 seconds
or longer.
Conclusion - You can now see how just a little time
spent washing your hands can save
you from some major illnesses.
The answer to this question is A