The two most common materials used to sense humidity are hair and ____.
a. polyester
b. nylon
c. cellulose
d. cotton
b. nylon
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During the medieval period in Europe, ________ were the places where the written and unwritten knowledge on agriculture was preserved.
Fill in the blank(s) with the appropriate word(s).
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What is used to adjust the level of planters on slope paving?
a. cedar shims b. metal bolts c. mortar d. metal wedges
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Using an example, describe the aquatic food chain
What will be an ideal response?
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Which tier of emission standards is the least stringent?
A) Tier 2 B) Tier 3 C) Tier 1 D) None of these
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