Answer:
The memory and the processing unit communicate through the Memory Address Register (MAR) and the Memory Data Register (MDR).
Explanation:
FALSE
Organic farming systems yield approximately 10-20% lesser than chemical farming.
Conventional farming has always prioritized more produce, risking other sustainability metrics such as nutritional quality, energy use, soil quality, biodiversity and pollution. Organic farming presents a more balanced approach to agriculture. Organic farming better harmonizes the four areas of sustainability: environment, economics and social well-being.
Answer:
Primary key retains its uniqueness even after you remove some of the fields.
Explanation:
I am assuming that this question is related to database. Therefore, I am answering it according to database context.
In database, you can have multiple rows and columns. Each column shows a specific attribute while each row plots the data according to the attributes. However, there is the first column of each of main table that has unique set of values. It is called the Primary Key. Some key features of primary key are:
- It always contains the unique value.
- Its value cannot be null.
- A table can have at max one primary key.
- It can be the combination of multiple columns but it must be unique.
Therefore, the primary key has the ability to retain its uniqueness even after you remove some of the fields.
Answer:
Technician A and Technician B are correct
Explanation:
Based on the information provided within the question it can be said that both Technician A and Technician B are correct. A tap handle's right-angled jaw allows many different taps to be attached for different types of situation to more comfortably and conveniently handle that situation. Such as a T-shaped tap in order to cut a thread in an awkward space as Technician B has stated.
