Hello. I’ve ready the letter. I don’t see any questions here, if you comment on this answer I can try to answer them for you :)
B. They suggest a sense of space with resonating power. "Wild and free" sounds powerful and since it is desert and the forest, it also implies space. Hope this helps.
A. variable factor.
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In production, a flexible factor that can change in amount or usage is a variable factor. An example of a variable factor of production is labor. </span>
