Which of the following statements about racial differences in iq is false? a. the variability within any given race tends to be much smaller than the variability between races. b. differences among races may be narrowing over the decades. c. racial differences are largely or entirely environmental in origin. d. when matched for socioeconomic, demographic and health variables, there are no racial differences.

answer; (c) a law code that provides believers with a set of pratical laws to regulate their daily lives

every society, in order to meet the needs of it's people, has to answer three basic questions:

- what should we produce?

- how should we produce it?

- for whom should we produce it?

this questions must be answered in order to, option b, aid in production decisions.

every country can't produce everything, no matter how rich their land is. it may be a matter of technology, resources or geographical conditions. so, these three questions must be resolved in order to get the most of the production of each land.

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