Pretty sure it was Poland.
The correct answer is hunters.
In certain habitats hunters are responsible for maintaining population numbers of certain species. Overpopulation of some animals can lead to destruction of local vegetation, death of other animals, spreading of diseases, infestations etc. To maintain equilibrium hunters will cull the numbers of certain animals periodically.
Explanation:
unintentional weight loss and a rapid or irregular heartbeat.
Answer:
The Berkeley Longitudinal Studies was the research project studied more than 500 children and their parents in the 1920.
Explanation:
Understanding the Berkeley Longitudinal Studies
In 1920s ,a research on more than 500 children alongside their parents was conducted, under the heading of the Berkeley Longitudinal Studies, to investigate the different aspects of human personality. They came to know about some of the stable characters of the human personality which were; orientation towards of humans self confidence, intellectualism, and the readiness towards accepting new ideas and experiences.
The answer is "Schachter and Singer".
Stanley Schachter and Jerome Singer suggested that there are psychological elements that impact the differed conditions of feelings, states of mind and emotions.
Schachter and Singer suggested that two things need to occur before feeling happens: physical arousal and labeling. in light of signs from the encompassing condition. These two things occur in the meantime, bringing about the marking of the feeling.
