2. Which sentences expresses the idea most precisely and concisely? A. The Consul’s decision he made alone was life altering for many people.
B. The Consul’s decision, made alone, altered the lives of many people.

C. The Consul’s decision, being made alone, altered the lives of many people.
D. The decision of the Consul, made by him alone, altered the lives of many people.

A. The Consul’s decision he made alone was life altering for many people

Explanation:

The sentences expresses the idea most precisely and concisely is A. "The Consul’s decision he made alone was life altering for many people".

Precisely and concisely simply means a good writing style which involves proper usage of punctuation, sentence structure and grammar and also writing in a way that is concise and clear.

Writing Precisely and concisely involves the following:

1) Removing the unnecessary phrase

2) Use an clear and simple language

3)Must be precise

4) Elimination of extra and unnecessary noun.

  plan: i will begin with a quotation about the importance of unity in a community. then, i will state my claim that an activity will unite our school by creating a shared vision, purpose, and direction. in the body, i will use three main points that describe the different avenues the students can take: through a variety of clubs, through a special event, or through an awareness week. i will provide evidence about other towns that have unity activities and the kinds of events that they include. pictures will illustrate my three main points in action. for the ending, i will restate the main idea in a new way and pose a question to keep the audience thinking. 

the answer is academic paper

and the second should be college professor