(HELP) Reorganize this paragraph to produce a clear relationship between the claim and counterclaim.
[1] Electric cars produce zero emissions and are 60 percent more
energy efficient than gasoline-fueled cars. [2] Electric cars are the most
environmentally friendly motor vehicle on the road. [3] The electricity
used to power electric cars can come from dirty sources such as burned
coal. [4] Electric cars are not completely clean however.

The institute of international research is holding its annual convention. this year more than 500 scholars have been invited to hear research reports on many timely topics. approximately 250 big name scientists will be winging their way to washington, d.c. how can the underlined sentence be revised so that it fits the tone of the passage? a) approximately 250 people will be in washington, d.c. b) approximately 250 bigwigs will be flying to washington, d.c. c) approximately 250 science people will be going to washington, d.c. d) approximately 250 well-known scientists will be arriving in washington, d.c.