Which is the BEST summary of paragraph 3?
A) Fossil fuels are dirty and pollute the air and water. Most of the world's energy comes from these fuels.
B) The biggest problem of buildings is that they use fuel that is dirty for heating. They need to do something to be more energy efficient.
C) Panels that turn energy from the sun into electricity and passive solar heating can help stop the burning of fossil fuels which pollute air and water.
D) Since fossil fuels are dirty and pollute the air and water, other technologies that pollute less and produce energy have been developed like solar energy and green buildings.

The correct answer is D) Since fossil fuels are dirty and pollute the air and water, other technologies that pollute less and produce energy have been developed like solar energy and green buildings.

Explanation:

It summarizes the main points of Paragraph 3 so that is why D is the correct answer. Hope this helps:)

the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.  

we need to see the paragraphs in order to answer this.