World Population in 1850 has been estimated at about 1 billion. World population reached 4 billion in 1975. What was the exponential growth rate during this time in percent?





What will be an ideal response?




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Many conditions leading to an unsoundness or blemish are ____________________ or treatable.

Fill in the blank(s) with the appropriate word(s).

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As the tree grows outward from the pith (center), the inner cells become inactive and turn into ____.

a.sapwood b.heartwood c.softwood d.redwood

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What area of a valve should process technicians typically grease?

A. Bonnets B. Valve stem C. Flanges D. Gaskets

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It became illegal to vent replacement refrigerants in:

A) July 1, 1992. B) November 15, 1993. C) November 14, 1994. D) November 15, 1995.

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