Throughout the post classical period there were different technologies, some of them helping the agriculture to grow. However the type of technology depended a lot on the area it was developed. For instance in Europe the moldboard plow was introduced while in Africa the iron. Although the technologies differ from region to region, all of them helped the economy and have contributed to the civilization growth.
This post classical period has been recognized by different trade routes. All these routes have changed consumption patterns making more specialized products to be sold in markets.
Answer:
Some powers belong to local governments; others belong to the national government is the correct answer.
Explanation:
Answer;
Radio networks
Explanation;
-Magazines were america s only national medium from the 1890s until the 1920s when radio networks was/were established.
-Radio network became an accepted commercial medium during the 1920s. Initially many thought it was too intrusive a medium to allow advertising, as it entered people’s homes by the end of the decade, advertising had become an integral aspect of programming.
<u>Answer</u>:
The common thing between these three types of activities is that they form a production chain giving customers the provision of finished goods or services.
Primary production involves acquirement of raw materials for production like coal, metal, rubber tapping etc.
Secondary production involves manufacturing and assembly process that involves the use of such raw materials.
Tertiary production involves commercial services that support the production and distribution process.
All the processes occur in line with each other, where the working of one is essential for the other.
