Answer:
Ancient civilizations based a large part of their economy and their subsistence on trade and exchange of goods. Thus, they were guided by a very simple premise: they traded what they had left over, to obtain in exchange what they lacked. For example, if a civilization overproduced wheat, it could trade that surplus for goods it did not have, such as animals. In this way, all civilizations covered their needs without the obligation to procure them all by their own hand.
B. Specialize in this is because certain nations have different climates and different types of agriculture and livestock or even metals and rock productions than other nations do.
Answer:
C. identify the elements of conscious experience
Explanation:
According to structuralists society is a system of networks where interactions among people takes place. The overarching structure that spans across a society must be studied.
In order to do this how an individual thinks must be understood. This task is the responsibility of the psychologists.
Hence, the goal of psychology is to identify the elements of conscious experience
The true statement among the statements given is " Inner and outer planet composition supports the nebular theory because heavier elements condense close to the Sun, and lighter <span>elements condense at cooler temperatures". This is why terrestrial planets like Earth, Mars, Venus, and Mercury are closest to the sun and are very dense.</span>
