2, Tet Offensive, is the correct answer to this question.
Answer:
People were forced to live a nomadic lifestyle due to the rocky terrain and deserts. People were unable to remain in the highlands during the winter due to the harsh climate. People were forced to abandon their settlements due to a lack of basic natural resources. Explanation:
It would be B. A household consisting of a mother and father and their children. It would be a basic social unit.
The correct answer is C) genetic variation.
<em>The term that best describes the difference in colors of the birds below is genetic variation.
</em>
A genetic variation describes the variation of the sequence of the DNA in our genomes. This genetic variation allows humans, plants, and animals to have specific characteristics. In the case of the picture with the birds, these birds show a difference in colors due to genetic variation. Genetic variation is part of evolution, the genetic information that passes down from generation to generation.