The Following Questions Refer to the Description and Table 28

question 29

Multiple Choice

The following questions refer to the description and Table 28.1 below.
Diatoms are encased in Petri-plate-like cases (valves) made of translucent hydrated silica whose thickness can be varied. The material used to store excess calories can also be varied. At certain times, diatoms store excess calories in the form of the liquid polysaccharide, laminarin, and at other times, as oil. Below are data concerning the density (specific gravity) of various components of diatoms, and of their environment.
Table 28.1: Specific Gravities of Materials Relevant to Diatoms
$$\begin{array} { l l } \text { Material } & \text { Specific Gravity } ( \mathrm { kg } / / \mathrm { m }^{3} ) \\\text { Pure water } & 1000 \\\text { Seawater } & 1026 \\\text { Hydrated silica } & 2250 \\\text { Liquid laminarin } & 1500 \\\text { Diatom oil } & 910\end{array}$$
-Which of the following produce the dense glassy ooze found in certain areas of the deep-ocean floor?

• A)forams
• B)dinoflagellates
• C)radiolarians
• D)ciliates
• E)apicomplexans

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Definitions:

Last-in, First-out

An inventory valuation method where the most recently produced or purchased items are the first to be expensed, often used to manage costs and taxes.

Last-in, First-out Method

An inventory valuation method where the goods purchased last are considered sold first for cost of goods sold calculation.

Perpetual Inventory System

A method of accounting for inventory that records the sale or purchase of inventory immediately through computer systems, without the need for a physical count.

Perpetual Inventory System

An accounting technique that instantly records the sale or purchase of inventory using computerized point-of-sale systems and enterprise asset management software.