Which of the following is not an example of an environmental adaptation made by early peoples of the north american continent?

a.
mound building

b.
irrigation networks

c.
multistory dwellings built alongside cliff walls

d.
ceramic pottery

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts

demand is the need and oportunity to buy a given good or service.