The correct option is C.
The economic activities that occur in a nation is usually divided into three categories, which are primary, secondary and tertiary economic sectors. The primary sector involves the extraction of mineral resources and farming. The secondary sector involved the production of finished usable goods and construction while the tertiary sector involved production of services to consumers.
Explanation:
the answer is B The value of the ones digit is one over ten the value of the tens digit
<span>The changes in agriculture in the Shang dynasty contributed to higher production levels. This in turn led to trade, settling and high birth rates. Thus, they became more organized which facilitated to other developments like writing.</span>
