The minimum tread width required by building codes for a nonresidential stair is _________.

A) 12.5 in.
B) 11.5 in.
C) 12.0 in.
D) 11.0 in.
E) 13.0 in.


D) 11.0 in.

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The white blood cells that are important in leaving the blood vessels and phagocytizing large materials, releasing chemicals that draw fibroblasts to the injured areas, are

A) neutrophils. B) eosinophils. C) basophils. D) lymphocytes. E) monocytes.

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Gertrude Hyde (an artist and gardener of the 1800s) was interested in perennials and in using them in borders; her ability was to blend and contrast perennials having different sizes, shapes, and foliage

Indicate whether the statement is true or false

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Waterfowl reuse the same nesting and staging areas each year

a. True b. False Indicate whether the statement is true or false

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Native Americans periodically burned the plains to make better grazing areas for the buffalo

Indicate whether the statement is true or false

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