Question: =+21.5. Show how the Environmental Control pattern could be used as the basis of the design of a system to control the temperature in a

=+21.5. Show how the Environmental Control pattern could be used as the basis of the design of a system to control the temperature in a greenhouse. The temperature should be between 10 and 30 degrees Celsius. If it falls below 10 degrees, the heating system should be switched on; if it goes above 30, the windows should be automatically opened.

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