Aresearcher would like to describe and compare the attitudes of four different ethnic groups of students at a local state college. to obtain participants for the study while ensuring sufficient numbers of participants from each of the ethnic groups, the researcher should probably use sampling.

Two grizzly bears are fighting over a fish to feed themselves. what kind of interaction is this scenario, which works as a limiting factor in the bears' survival? a. apparent competitionb. interference competitionc. exploitation competitiond. mutualism

In the years after world war ii, which of the following caused many people from asian and african countries to migrate to europe? a. the end of the soviet union b. new economic opportunities after colonialism ended c. the religious freedom found in europe d. new laws allowing greater numbers of immigrants into european countries

The process of rocks breaking down and becoming other rocks