Jenna’s behavior best demonstrates egocentrism—ecgocentrism is
a way where an individual has the ability of which he or she can’t
differentiate his or herself and the other party involved in a specific
scenario or it is also a way of not being able to understand the perspective of
others and even their own.
Method of science. Psychologists rely on scientific methods for almost every topic that they research on. They need to confirm their hypothesis through observation, measurement and experiment.
These factors are considered when determining the rate of natural increase. birth death emigration immigration user: when determining the "projected population change," a negative percentage indicates the population is expected to decline.
A is the answer to your question