A) making an outline of all your major points before writing
B) formulating a thesis statement for your essay before writing
C) going through your final draft and editing any punctuation errors
D) brainstorming all your prior knowledge about local timber companies
You have been assigned to research the history of timber companies in your town.

Which would be the best first step for completing this assignment?

D) brainstorming all your prior knowledge about local timber companies

Explanation:

If you know about local timber companies the assingment  is gonna be easier .

The answer is a Complex sentence

Explanation:

Complex sentence is the type of sentence whereby there is atleast an independent clause and one or more dependent clause. since the independent clause can stand alone on its own, it makes it easer to separate from a dependent clause.

From the statement given above, The weather forecast has predicted severe thunderstoms is an independent clause which stood on its own. The dependent clause, the dark, heavy thunderclouds never materialzed is being linked together with an independent clause by a linking work but.