Answer: B. Describe, predict, explain and determine the causes of behavior.
Explanation: Scientific research on behavior should be able to give a description of the behavior being studied, the characteristics attached to individuals with such behavior. The study should enable accurate prediction of the behavior by giving distinctive attributes which differentiates such behavior from others. Give detailed information on the behavior and also enlighten on the likely causes of such behavior such as heredity, environmental factors and so on.
Humans or other land animals sleep half unconscious and water animals don't
Letter A is the correct answer.
Anthropologist believe that few, if any, isolated groups have existed in human history. Recently, in Brazil, an isolated indigenous tribe has emerged from the Amazon forest and made peaceful contact with villagers from the border of Peru. This indigenous tribe has got its own way of communicating and can act in a very strange way but is very much aware of the presence of outsiders.
It is also known by the names capitalism and free market. A free enterprise economy is made up of consumer spending, business investments and government purchases. Each of these parts play an important role in the free enterprise economy. Consumers are an important part of a free enterprise economy.
It affects because if something is too hot, your body might slow down, to cold, crops will all die