What happen at robbers cave when the two groups were put in competition with each other

they worked together on superordinate goals. The Robber's Cave study was conducted by renown psychologist Muzafer Sherif. He argued that when two groups are in competition for limited resources, they get into a conflict. That is when struggles, negative stereotypes, prejudices, and differences appear.

Explanation:

i think its through the fallopian tube

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs