<span>TRUNK. In a dendritic system, there are many smaller rivers or streams (the "twigs" of the tree), which are then merged into the tributaries of the main river (the branches and the trunk of the tree, respectively). They tend to develop in V-shaped valleys</span>
Answer:
b. shift from curve CD to curve EF.
Required Details of the Question:
The image of the curve required to answer the question has been attached.
Explanation:
A production possibilities curve shows various combinations of the amounts of two goods( in this case capital and consumer goods) which can be produced within the given resources and a graphical representation showing all the possible options of output for the two products that can be produced using all factors of production.
Now the growth of an economy is best illustrated in the image by the shift from curve CD to curve EF, this means that as the nation's production capacity increases, its production possibilities curve shift outward showing an increase in production of both goods.
Answer:
Basically it creates a unique identifier for each row in your table and that can help you link your table to other tables using primary key as link
Explanation:
"Primary key allows you to create a unique identifier for each row in your table. It is important because it helps you link your table to other tables (relationships) using primary key as links."