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question 51

Multiple Choice

Use the following information to answer the question.
An elementary school science teacher decided to liven up the classroom with a saltwater aquarium. Knowing that saltwater aquaria can be quite a hassle, the teacher proceeded stepwise. First, the teacher conditioned the water. Next, the teacher decided to stock the tank with various marine invertebrates, including a polychaete, a siliceous sponge, several bivalves, a shrimp, several sea anemones of different types, a colonial hydra, a few coral species, an ectoproct, a sea star, and several herbivorous gastropod varieties. Lastly, she added some vertebrates-a parrot fish and a clown fish. She arranged for daily feedings of copepods and feeder fish.
One day, Tommy, a student in an undersupervised class of 40 fifth graders, got the urge to pet Nemo (the clown fish) , who was swimming among the waving petals of a pretty underwater "flower" that had a big hole in the midst of the petals. Tommy giggled upon finding that these petals felt sticky. A few hours later, Tommy was in the nurse's office with nausea and cramps. Microscopic examination of his fingers would probably have revealed the presence of ________.

Definitions:

Public Faith

The trust and confidence that the public places in its government and institutions, essential for the stability and effectiveness of a democratic society.

Blue-Collar

Pertaining to workers who engage in manual labor, often in industries such as manufacturing, construction, and maintenance.

Ethnic Voters

Refers to voters grouped by their ethnic background, often considered by political analysts and parties for their potential influence on electoral outcomes.

Republican Party

One of the two major political parties in the United States, known for its conservative stances on economic and social policies.