Which sentence is an example of informal english?
a. salamander flats power plant is still a vital part of our energy grid.
b. salamander flats power plant was constructed in 1969.
c. salamander flats doesn't look like much, but it churns out the kilowatts!
d. salamander flats power plant was retrofitted to reduce emissions.

The sentence that is an example of informal English is C:

Salamander Flats doesn't look like much, but it churns out the kilowatts!

This sentence uses informal language because it is characterized by a spontaneous speech, it can be described as natural (it even has an exclamation sign) or a language that people use in "real life". The terms used in this sentence are often used when talking more that when writing.  

where is the

the correct answer is "dissent"

explanation:

because dissent is when one or more judges express disagreement with the majority in court, in specific legal systems.   an   argument in opposition is presented to the court, with a different interpretation, or application.