Answer:
Group Behavior
Explanation:
This behavior is selfish because it increases predator levels for members of the weaker groups and decreases predator levels for stronger members. However, this behavior is beneficial to all members of the group because it generates a tendency to populate the group with only strong individuals.
Answer:
fossil fuels are more toxic than the carbon emissions from volcanic activity
Columbus's voyage will start the Columbian Exchange. This was a an exchange of fruits, vegetables, plants, and animals. Natives became introduced to many things that were not native to the Americas. Natives will be taken and sold into slavery and almost completely wiped out due to European diseases.
I think that the most important of the 14 points was the last one, which said that a general association of nations shall be formed to have mutual guarantees of peace, and this lead to the League of Nations.
The answer in the space provided is the psychological factors. It is because the two ways mention above are factors in which a person could understand as to why people could experience depression. For they are psychological factors that could contribute to a person's depression, and having to learn them would make a person understand the factors that are associated with it.