Calm. That is the word I came up with. It was hard to know what you meant though.
Option 4, 'a quote from a customer describing how much their electric bill was lowered,' best supports evidence that solar panels save money. You are using a first hand source to prove to the audience that solar panels save money.
Number 1 is true. Number 2 is false. Number 3 is true
<span>Mussorgsky full name is "modest Petrovich Mussorgsky" he is a Russian composer he was also in a group none as "The Five" je was also an innovator in the romantic period for Russian music</span>