The Lists Below Show Five Agricultural Crops in Alabama, Arkansas

question 265

Multiple Choice

The lists below show five agricultural crops in Alabama, Arkansas, and Louisiana.
$\begin{array} { l l l } \underline { \text { Alabama } } & \underline { \text { Arkansas } } & \underline { \text { Louisiana } } \\\text { soybeans (s) } & \text { soybeans (s) } & \text { soybeans (s) } \\\text { peanuts (p) } & \text { rice (r) } & \text { sugarcane (n) } \\\text { corn (c) } & \text { cotton (t) } & \text { rice (r) } \\\text { hay (h) } & \text { hay (h) } & \text { corn (c) } \\\text { wheat (w) } & \text { wheat (w) } & \text { cotton (t) }\end{array}$
Let U be the smallest possible universal set that includes all of the crops listed, and let A, K and L be the sets of five crops in Alabama, Arkansas, and Louisiana, respectively. Find each of the following sets.
- $\mathrm { A } ^ { \prime } \cup \mathrm { L }$

• A) \(\{ c , n , r , s , t \}\)
• B) \(\{ h , n , p , r , t , w \}\)
• C) \(\{ h , p , w \}\)
• D) \(\{ \mathrm { n } , \mathrm { r } , \mathrm { t } \}\)

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Definitions:

Restless Legs Syndrome

A disorder characterized by an uncontrollable urge to move the legs, usually due to an uncomfortable sensation.

Insomnia

A sleep disorder characterized by difficulty falling asleep, staying asleep, or obtaining restorative sleep, leading to daytime impairment.

Sleep Apnea

A sleep disorder characterized by pauses in breathing or periods of shallow breathing during sleep.

N-Sleep

Refers to non-rapid eye movement (NREM) sleep, which encompasses stages 1 through 3 of the sleep cycle, involving deepening sleep and physiological rest.