Because poor countries may be dependent on the export of just one or two raw materials, the welfare of their people rises and falls with world prices over which they have no control

Indicate whether the statement is true or false.


Answer: TRUE

Environmental & Atmospheric Sciences

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Global climate change may cause shifts in biomes because _____

A) biodiversity and day length will change B) mean temperature and precipitation for many areas will change C) many species may become extinct D) food web dynamics will change

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When the distance between a pair of charges is reduced to half, the electric force between them

A. quadruples. B. is half. C. is reduced by one-quarter. D. doubles.

Environmental & Atmospheric Sciences

Red color in soils results from

A. solution of quartz. B. hydrolysis of feldspar. C. oxidation of iron. D. solution of calcite.

Environmental & Atmospheric Sciences

The dominant branch of Islam in Iran is

A) Medina. B) Eastern Orthodoxy. C) Mecca. D) Sunni. E) Shi'ite.

Environmental & Atmospheric Sciences