<span>Psychologists perform twin studies in order to determine the extent to which genetics influence intelligence levels. Since identical twins share 100% of their genetics, it follows that their intelligence levels should be quite similar given that intelligence is genetically determined. However, when identical twins are found to have varying intelligence levels, it indicates that external factors (or nurture) play a role in intelligence. Therefore, p</span>sychologists perform twin studies in order to determine the extent to which genetics and non-genetic factors determine intelligence levels.
Well one main and obvious reason would be there wouldn't be enough resources for everyone to use. Another one would probably be air and water pollution would increase immensely. And the last one would be a lot more crimes and political issues? I'm not sure if the last one is valid but the first 2 are definitely counted. <span />
Answer:
Hunting and gathering
Explanation:
In Hunter-gatherer societies food is obtained by hunting fauna and gathering the flora which grows naturally in a region. The food is not obtained via agriculture.
Due to the foraging habits of Hunter-gatherer's they consume all the resources of the region and move to another region. They are grouped according to kinship. The nature of marriage they have is initially matrilocal where the child is cared for by the women of the mother's family.
Answer:
Foreign policy of the United States. The foreign policy of the United States is its interactions with foreign nations and how it sets standards of interaction for its organizations, corporations and system citizens of the United States.