Answer:
They followed the laws that's why they survived and some hided.
Answer: Vivian and Janet have encountered the need for explanation, a challenge to intercultural relationships.
Explanation:
Vivian, as an African American, has to explain how she became friends with Janet, an European American, because people assume that cultural differences between African Americans and European Americans are too big to be overcome.
Answer:
During the second period of expansion, from 264 to 146 B.C.E., Rome and Carthage fought three major wars. Through these wars, Rome gained control of North Africa, much of Spain, and the island of Sicily. Roman armies also conquered Macedonia and Greece.
Explanation:
Carbon dioxide increases in the air when there is less photosynthesis because in photosynthesis oxygen is produced.
Answer:Negative reinforcement
Explanation:
Negative reinforcement is based on operant conditioning theory. In negative reinforcement a positive behavior is enhanced by taking away a negative outcome or eliminating an aversive stimulus.
Aversive stimuli is everything that brings someone physcally or psychologically discomfort.
Negative reinforcement then means someone is able to avoid aversive stimuli prior to its occurrence. It is like taking prevention rather cure so you eliminate what ever can bring you a negative outcome before the negative outcome occurs.