To study the potential effects of social isolation on blood pressure, some research participants were instructed to solve problems while working together while others solved problems while working alone. Those who worked alone were assigned to the:

Give reason why some traditional caribbean customs are presently changing

Which of the following selections is least useful for supporting the claim that states intentionally built unequal school systems? question 1 options: the supreme court ruling in plessy v. ferguson (1896) wrote into law that america had two separate societies: one black and one white. it was very clear by the mid-1900s that southern states had expertly built separate educational systems. these schools, however, were never equal. states with laws keeping schools segregated never gave equal amounts of money to their black and white schools. ten years after brown, fewer than 10 percent of southern public schools had integrated. some areas did not comply at all.

All living things share certain characteristics. which of the following characteristics is not shared by all living things?