You shouldn't be asking people to doing this for you. You should asking them for help.
Solar absorbers are better for the enviroment, therefore they're better in the long run. We will eventually run out of oil and coal, as they are fossil fuels. But the sun won't stop shining for millions of years.
B - conscience. Unconscionable means 'not right or reasonable'
C is a simile.
Explanation: Similes have either “like” or “as” in them, used to compare two things. As C is te only one with “like” in it, it is the simile.
Flashback, to give the reader backround information
(Apex)
