Which of the Following Is True

question 641

Multiple Choice

Which of the following is true?

• A) Real spending per student in American public elementary and secondary schools has fallen since 1970.
• B) Spending per student in American public elementary schools is lower than that of most developed countries.
• C) The achievement scores of American students are lower than those of students in most developed countries.
• D) The achievement scores of American students have risen since the late 1960s.

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Definitions:

Primary Productivity

The rate at which plants and other photosynthetic organisms produce organic compounds (such as carbohydrates) from carbon dioxide and water in the presence of sunlight, which serves as the basis for most food chains.

Photic

Pertaining to the upper layer of a body of water that is illuminated by sunlight, allowing photosynthesis to occur and supporting the majority of aquatic life.

Epipelagic

Relating to the upper layer of the ocean, from the surface to about 200 meters deep, where there is enough sunlight for photosynthesis.

Thermal Stratification

The layering of water in a lake or ocean, based on temperature variations with depth, which can affect aquatic life and water quality.