Read the following excerpt:
also, think about the microclimate of your particular
garden. your school has its own mascot and colors, but
you may not know that your school garden will also have
its very own climate. for instance, a rooftop garden will be
exposed to more extreme temperatures in summer and
winter. if you're right by the ocean, your garden will be
exposed to saltier conditions.
how do the instructions for "how to grow a school garden establish that the
word 'microclimate" is important?
a. by putting the word in the first sentence
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b. by mentioning the word several times
c. by setting the word off in an italic font
d. by providing a definition for the word