1 Recently, humans have become more aware of how their actions impact Earth. Governments, organizations, and individuals try to improve the quality of Earth's air
and water by changing the way they do things. One area in which great
improvements for the environment have been made is building and construction. This
process, often called green building, is taking off in our country and around the world.
The word green is used describe things that are good for nature because green plants
can be a symbol of nature.

What is the function of the first two sentences of this passage?
A)
to build a straw-man perspective to argue against
B)
to establish the author's background and knowledge
to present a counter argument for readers to consider
D)
to provide the context in which this passage is written
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