Terracing is a soil conservation practice applied to prevent rainfall runoff on sloping land from accumulating and causing serious erosion. Terraces consist of ridges and channels constructed across-the-slope. And it makes room for crop growing.
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Answer:
i would say marginal analysis and scarcity
Explanation:
See scarcity at other answer
Marginal analysis is an examination of the additional benefits of an activity compared to the additional costs incurred by that same activity. Marginal refers to the focus on the cost or benefit of the next unit or individual, for example, the cost to produce one more widget or the profit earned by adding one more worker. Like she chose to have one bucket of water per task she had to do with leftover water, inted of having a bath and using all the water. Like oppertunity cost.
The Prevent duty is designed to stop people from becoming involved in terrorism, supporting terrorism or being drawn into non-violent extremism. ... Organisations must develop action plans to implement the Prevent duty and must create policies and procedures to protect people who may be vulnerable to radicalisation.
The entity integrity rule states that a primary key attribute can be null. Thus the statement is false.
<h3>What is an entity?</h3>
An entity is refer to any object that exists in reality. These entities are Independent in nature. Each row in a table should be a distinct entity, which is ensured by entity integrity.
The entity integrity rule states that a primary key attribute can not be null as it shows unique characteristics of an entity.No primary key value can be null according to the entity integrity constraint because it is needed to identify specific attribute values in relation.
Therefore, the statement is False.
learn more about entity integrity, here:
brainly.com/question/19593791
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