It is by listening and evaluating the speaker's questions and responses. When the speaker asks a question, he is surely making a point to the audience through his responses. By that kind of communication, the speaker should have given his purpose to the audiences.
The word (is) is always used as a verb in written and spoken English.
advantages
Renewable Energy Source. Among all the benefits of solar panels, the most important thing is that solar energy is a truly renewable energy source. ...
Reduces Electricity Bills. ...
Diverse Applications. ...
Low Maintenance Costs. ...
Technology Development. ...
Cost. ...
Weather Dependent. ...
Solar Energy Storage Is Expensive.
now that is the benefits, now solar energy can be expensive to set down cause you need a lot to power a house. so that is one not much of a benefit cause not everyone can afford it.
hope this helped
Volume should be the answer
The sentence that includes an allusion is: Like a Grinch, he hated the holidays.
Because it refers to Grinch, a character from a well-known film, who hated Christmas.