I say the answers is A but if you mean ventilation in the area of the room then answer B
A diagram showing a use case diagrams for these requirements is given in the image attached.
<h3>What is system
Case diagram?</h3>
A use case diagram is known to be a kind of graphical illustration of a users in terms of their various possible association or interactions within any given system.
A use case diagram in banking can be used to prepare, depict and also to know all the functional requirements of the banking system.
Therefore, Give the use case specification for the banking system services and paying a bill online is given in the image attached.
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Answer:
Process of Green Revolution
Explanation:
Green Revolution is a process which started its initiatives between the 1950s and 1960s, a technological research process, that increase agricultural productions through various systematic approach, which are different from the traditional methods. These technological approach includes:
1. Utilization of new varieties with a high yield potential, in addition with adequate water supply, pesticides and fertilizers.
2. New methods of cultivation and mechanization
Hence, the process of Green Revolution boosted production of fertilizers and strengthen the agriculture industry as a whole.