Compared with the Rest of the World in 2013, the United

question 38

Multiple Choice

Compared with the rest of the world in 2013, the United States is LEAST abundant in:

• A) capital.
• B) skilled labor.
• C) unskilled labor.
• D) illiterate labor.

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Definitions:

Guard Cells

Specialized cells in the epidermis of leaves, stems, and other organs that regulate gas exchange and water loss by opening and closing stomata.

Stoma

A tiny opening or pore, found in the epidermis of leaves and stems, that is used for gas exchange.

Parenchyma

A type of plant tissue composed of living cells, often the most abundant type of cell in plants, involved in photosynthesis, storage, and regenerative processes.

Axil

The angle or area between the upper side of a leaf or stem and the supporting stem or branch.