Answer:
Columbian Exchange
Explanation:
The contact between Europe and the Americas produced what is known as the Columbian Exchange: the wide transfer of plants, animals, foods, human populations (including slaves), communicable diseases, and culture between the Eastern and Western hemispheres.
Along the Niger River is where they spread.
Answer:
sociobiology
Explanation:
Sociobiology: The term "sociobiology" is described as a field of biology that is focused on explaining and examining "social behavior" in evolutionary terms. It draws from different disciplines such as zoology, psychology, anthropology, ethology, evolution, population genetics, and archaeology.
Sociobiology tends to explain human behaviors via evolutionary means. specific traits or behaviors ought to be passed down from one generation to another generation via genes to increase a "survival response" from a particular group of human beings.
In the question above, the given statement represents sociobiology.
Answer: (B.)., those who were aroused and did not expect arousal<span>
In the Schachter and Singer study, which participants were most likely to adopt the mood of the accomplice?
a. those who were aroused and expected arousal
b. those who were aroused and did not expect arousal
c. those who were not aroused and expected no arousal
d. those who were not aroused and expected arousal</span>
Answer:
from roads to canals to railroads
Explanation:
Better transportation infrastructure or transportation revolution in the early 19th century begins when people started crude roads instead or horses or river routes and then canals were built. After canals long the railroads crisscrossed the country that helped people and goods to move with greater efficiency. These technological developments in travel during the 19th Century connects the world and affects the national economy at high level.
Hence, the correct answer is "from roads to canals to railroads".
